x2+16x-80 = 0
(x-4)(x+20) = 0
x = 4 or x = -20
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x2 = 6482 = 64x = 8
x2 + 2x - 13 = 2 x2 + 2x - 15 = 0 (x + 5)(x - 3) = 0 x + 5 = 0 and x - 3 = 0 so x = -5 and x = 3
x2+36x+120 (x+6)(x+20)
x2 + 4x + 3 = (x + 1)(x + 3)
What are we solving here for, Z, X, or Y?If solve for Z then the answer would be z = x + yIf solve for X then the answer would be z = z - yIf solve for Y than the answer would y = z - xHope this help.