Step-by-step explanation:
Let's solve your equation step-by-step.
x2+9x=−8
Step 1: Subtract -8 from both sides.
x2+9x−(−8)=−8−(−8)
x2+9x+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:
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Answers & Comments
Step-by-step explanation:
Let's solve your equation step-by-step.
x2+9x=−8
Step 1: Subtract -8 from both sides.
x2+9x−(−8)=−8−(−8)
x2+9x+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