0
Anonymous
6x2 + 9x = 0
3x(2x + 3) = 0
3x = 0 or 2x + 3 = 0
x = 0 or x = -3/2
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The slope is 0.
4x+7=9x+7 -5x=0 x=0
8x+9=9x-18+9 = 8x+9=9x-9 = 1x=0 (:
2x2 + 10 = 9x 2x2 - 9x + 10 = 0 (x - 2)(2x - 5) = 0