5x2 - 6x = 0
Factor the left side:
x (5x - 6) = 0
The equation is satisfied if
x = 0,
or if
5x - 6 = 0
5x = 6
x = 6/5
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6x-x+15-9= 6x-x=5x 15-9=6 5x+6=0 5x=-6 x=-1.2
x2 + 6x + 8 = 0 Solve for x.X = -2 or X = -4
The discriminant b2-4ac is -23
-4
5x2 + 20x = 0 5x(x + 4) = 0 x = 0 and -4