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9x-4(6x) +3(4x) |
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Answer» 9x - 4 x 6x + 3 x 4x = (32)x - 4 x 3x x 2x + 3 x (22)x = (3x)2 - 2 x 3x x 2x + (2x)2 + 2 x 22x - 2 x 3x x 2x = (3x - 2x)2 + 2 x 2x(2x- 3x) = (3x - 2x)(3x-2x- 2 x 2x) = (3x - 2x)(3x - 3 x 2x) = 3(3x - 2x)(3x-1- 2x) |
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