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Solve the quadratic equation x^2-2x-8=0 I have tried many ways for this one but it ends up being a ridiculous answer.

Solve the quadratic equation x^2-2x-8=0 I have tried many ways for this one but it ends up being a ridiculous answer.
asked 34.1k views
4 votes
Solve the quadratic equation x^2-2x-8=0

I have tried many ways for this one but it ends up being a ridiculous answer.

asked
User Marshall Clow
by
9.1k points

1 Answer

5 votes
Using cross multiplication


x^(2) -2x-8 =0
(x-4)(x+2)=0
x-4=0
x+2=0

Thus x=4,-2
answered
User Leijonien
by
7.8k points
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