Step-by-step explanation:
[tex] {x}^{2} + 6x - 7[/tex]
Let's solve your equation step-by-step.
(x+3)2−9=7
Step 1: Simplify both sides of the equation.
x2+6x=7
Step 2: Subtract 7 from both sides.
x2+6x−7=7−7
x2+6x−7=0
Step 3: Factor left side of equation.
(x−1)(x+7)=0
Step 4: Set factors equal to 0.
x−1=0 or x+7=0
x=1 or x=−7
Answer:x=1 or x=−7
