x^2+4x=0
x(x+4)=0
x=0 and x+4=0
x=0 and x=-4
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x2 + 4x - 96 = (x - 8)(x + 12).
X2 + 4X - 5 = 0 what two factor of - 5 add up to 4? (X - 1)(X + 5) ----------------- ( so, X = 1 and X = - 5 )
x2+4x-32 = (x-4)(x+8) when factored
No.
x2+4x+4 = 25 x2+4x+4-25 = 0 x2+4x-21 = 0 (x+7)(x-3) = 0 x = -7 or x = 3