4x^2 = 16x
16x - 60x = -44x
-44x + 225
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10(x - 3)2 = 10(x2 - 6x + 9) = 10x2 - 60x + 90 [ 10(x - 3) ]2 = 100(x2 - 6x + 9) = 100x2 - 600x + 900
(6 - 5x)(6 - 5x)
6x + 54x -9 = 60x - 9
7-5x=10-(6x+7) 7-5x=-60x-70 +5x +5x 7=-55x-70 +70 +70 77=-55x Divide -55 -1.4 = x
25x + 35x + 9 is 60x + 9, which factors to 3(20x + 3)