Layah1111 Layah1111

14-11-2016
Mathematics

contestada

Solve the equation by finding square roots. To start, remember to isolate x^2. Equation= x^2+4=20

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Amber22895 Amber22895

14-11-2016

Get the equation simplified. Subtract 4 by each side.
20-4= 16
and the square root of 16, is 4.
Plug it in to check.
(4)^2+4=20
16+4=20
20=20

Ultimately your final answer is X=4

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