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