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9 ( x + y ) ^ { 2 } - 16 ( x - 2 y ) ^ { 2 } |
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Answer» 9 (x+y)² - 16(x-2y)²(3x+3y)² - (4x-8y)²= (3x+3y-4x+8y)(3x+3y-4x-8y)= (11y-x)(-x-5y)= (x-11y)(5y+x) |
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