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2 votes
Please help solve x^2-2x-4=0

User Zian Choy
by
9.2k points

1 Answer

3 votes
Simple....

you have
x^(2) -2x-4=0

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

use
( (b)/(2) ) ^(2) to create a new term...

x=1(+/-)
√(5)

Thus, your answer.

(Or, x≈3.23606797, -1.236067967)

User Magellan
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8.1k points