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2) (-6x2-5)2\u003Cbr>\u003Cbr>3) (-4x-6)2 4) (-8x2+9x)2\u003Cbr>\u003Cbr>5) (7x2+5)2 6) (4x2-5x)2\u003Cbr>\u003Cbr>7) (-7x2-2x)2 8) (-9x2+9x)2\u003Cbr>\u003Cbr>9) (-1x-4)2 10) (-3x+8)2\u003Cbr> |  |  | 1.\u003Cbr>2.\u003Cbr>3.\u003Cbr>4.\u003Cbr>5.\u003Cbr>6.\u003Cbr>7.\u003Cbr>8.\u003Cbr>9.\u003Cbr>10. |  |  | Answers |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 1-10 | 90 | 80 |  | 70 | 60 |  | 50 | 40 | 30 | 20 | 10 | 0 |\n\n[Math](Math www.CommonCoreSheets.com 9)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 9)[ 9](Math www.CommonCoreSheets.com 9)  \n Expanding Square Polynomials Using the Box Method Name: Answer Key  \n\n| Expand each problem using the box method. |  |  |  |  |  |  | Answers\u003Cbr>1.  9x2+54x+81  2.  36x4+60x2+25  3.  16x2+48x+36  4.  64x4-144x3+81x2  5.  49x4+70x2+25  6.  16x4-40x3+25x2  7.  49x4+28x3+4x2  8.  81x4-162x3+81x2  9.  x2+8x+16  10.  9x2-48x+64  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n| 1) (3x+9)2\u003Cbr>3x 9 |  |  |  | 2) (-6x2-5)2\u003Cbr>-6x2 -5 |  |  |  |\n| 3x 9 | 9x2 27x 27x 81 |  |  | -6x2 -5 |  | 36x4 30x2 30x2 25 |  |\n| 3) (-4x-6)2\u003Cbr>-4x -6 |  |  |  | 4) (-8x2+9x)2\u003Cbr>-8x2 9x |  |  |  |\n| -4x-6 |  | 16x2 24x 24x 36 |  | -8x2 9x |  | 64x4 -72x3 -72x3 81x2 |  |\n| 5) (7x2+5)2\u003Cbr>7x2 5 |  |  |  | 6) (4x2-5x)2\u003Cbr>4x2 -5x |  |  |  |\n| 7x2\u003Cbr>5 |  | 49x4 35x2 35x2 25 |  | 4x2\u003Cbr>-5x | 16x4 -20x3 -20x3 25x2 |  |  |\n| 7) (-7x2-2x)2\u003Cbr>-7x2 -2x |  |  |  | 8) (-9x2+9x)2\u003Cbr>-9x2 9x |  |  |  |\n| -7x2 -2x |  |  | 49x4 14x3 14x3 4x2 | -9x2 9x |  | 81x4 -81x3 -81x3 81x2 |  |\n| 9) (-1x-4)2\u003Cbr>-1x -4 |  |  |  | 10) (-3x+8)2\u003Cbr>-3x 8 |  |  |  |\n| -1x-4 |  | 1x2 4x 4x 16 |  | -3x 8 | 9x2 -24x -24x 64 |  |  |\n\n\n|  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n\n1-10 90 80 70 60 50 40 30 20 10 0  \n[Math](Math www.CommonCoreSheets.com 9)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 9)[ 9](Math www.CommonCoreSheets.com 9)  \n Expanding Square Polynomials Using the Box Method Name:  \n\n| Expand each problem using the box method.\u003Cbr>\u003Cbr>16x 2 +48x+36\u003Cbr>16x 4-40x 3 +25x 2\u003Cbr>49x 4 +70x 2 +25 36x 4 +60x 2 +25\u003Cbr>9x 2 +54x+81 64x 4-144x 3 +81x 2\u003Cbr>1) (3x+9)2 2) (-6x2-5)2\u003Cbr>\u003Cbr>3) (-4x-6)2 4) (-8x2+9x)2\u003Cbr>\u003Cbr>5) (7x2+5)2 6) (4x2-5x)2\u003Cbr> | Answers\u003Cbr>1.  \u003Cbr>2.  \u003Cbr>3.  \u003Cbr>4.  \u003Cbr>5.  \u003Cbr>6.   |\n| --- | --- |\n\nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \n1-6  83  67  50  33  17  0","cbCaie1qukAXy6qu","https://ap.wps.com/l/cbCaie1qukAXy6qu","pdf",49588,"English","# Expand each problem using the box method\n## Answer key (1-10)","[{\"question\":\"What method is used to expand the square polynomials in this worksheet?\",\"answer\":\"The worksheet uses the box method to expand each squared polynomial expression.\"},{\"question\":\"Which problems are included for expansion and checking?\",\"answer\":\"The answer key provides expanded results for problems numbered 1 through 10.\"},{\"question\":\"How are the final answers presented?\",\"answer\":\"Each final answer is given as a simplified polynomial in standard form with like terms combined.\"}]","Expanding Square Polynomials Using the Box Method - Answer Key | PDF",1790772434]