Question

Solve x2-3x-10=0 by using formula
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Answer 1

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Answer 2

The equation x

2

−3x−10=0 can be solved as

x

2

−5x+2x−10=0

⇒x(x−5)+2(x−5)=0

⇒(x+2)(x−5)=0

⇒x=−2 and x=5

Roots are −2 and 5.

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