It is (x+3)(x+4) when factored
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(x2 + 7x - 18) = (x + 9)(x - 2)
x2 +7x = 30 x2 +7x - 30 = 0 (x + 10)(x - 3) = 0 Now: x + 10 = 0 or x - 3 = 0 So: x = -10 or x = 3
49/4 or 12.25
5x-8 + 7x 12x-8 12x = 8 x = 8/12 x= 2/3
Factor. X^2 + 12X X(X + 12) = 0 X = 0 ------------- X + 12 = 0 X = - 12 --------------