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3(x+2) = x -18 3x+6 = x -18 3x -x = -18 -6 2x = -24 x = -12
(x2 + 7x - 18) = (x + 9)(x - 2)
x^2 + 18 = 9x x^2 - 9x + 18 = 0 (x )(x ) Since 6 * 3 = 18 and 6 + 3 = 9, (x 3)(x 6) Since the 18 is positive, the factors are either both positive or both negative. Since the 9 is negative, they must both be negative. (x - 3)(x - 6)
3x+12 = 18 3x = 18-12 3x = 6 x = 2
X 2y-1 4x-3x=18 X 2y-1 7x=18 X 1y 7x=18 X Y 7x=18 X Y X = 2 4/7 and there is ur anser