SOLUTION: x^2+8x=20 A.Add (b/2)^2 to both sides of the equation. B.Factor left side of the equation.

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Question 668431: x^2+8x=20
A.Add (b/2)^2 to both sides of the equation.
B.Factor left side of the equation.

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
x^2+8x=20
x^2+8x + 16 =20 +16
(x + 4)(x+4) = 36
(x+4)^2 = 36
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