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maura2mconroy0547
maura2mconroy0547 maura2mconroy0547
  • 26-01-2017
  • Mathematics
Answered

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.

Verified Answer :

PsychrolutesMarcidus
PsychrolutesMarcidus PsychrolutesMarcidus
  • 26-01-2017

Using cross multiplication

\(x^{2} -2x-8 =0\)
(x-4)(x+2)=0
x-4=0
x+2=0

Thus x=4,-2

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