Answers

2016-06-28T08:55:41+08:00
X2=7x+8

Step 1: Subtract 7x+8 from both sides.

x2−(7x+8)=7x+8−(7x+8)

x2−7x−8=0

Step 2: Factor left side of equation.

(x+1)(x−8)=0

Step 3: Set factors equal to 0.

x+1=0 or x−8=0

x=−1 or x=8

Answer:

x=−1 or x=8

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