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1991davoust 1991davoust
  • 21-05-2016
  • Mathematics
Answered

please help solve x^2-2x-4=0

Verified Answer :

Anonymous Anonymous
  • 21-05-2016

Simple....

you have \(x^{2} -2x-4=0\)

To solve...you must complete the square...

use \(( \frac{b}{2} ) ^{2}\) to create a new term...

x=1(+/-)\(\sqrt{5}\)

Thus, your answer.

(Or, x≈3.23606797, -1.236067967)

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