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(i) (2x + 7) (5x + 9) - (4x + 1) (x-3) |
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Answer» (2x+7) (5x+9)- (4x+1)(x-3) =10x^2 +18x+35x+63-[ 4x^2-12x+x-3] = 6x^2 + 64x+63 |
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