Question 935861: quadratic equation roots are -1 and 2, leading coefficient 4
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! (x + 1)(x - 2) = 0
xx - 2x + x - 2 = 0
xx - x - 2 = 0
4(xx - x - 2 = 0)
4xx - 4x - 8 = 0
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