0
Anonymous
(x - 2)(x + 3) = x2 + 3x - 2x -6 = x2 + x - 6
Let this number be x, then 2x + 2 = x 2x - x + 2 - 2 = x - x - 2 x = -2 Thus this number is -2. Check: 2(-2) + 2 = -2? -4 + 2 = -2 ? -2 = -2 True
(x + 4)2
2x-3=x+2 answer x=5
x/2 + 5