2 years ago

3(x+5)^2-12=0. What does x equal

Mathematics

2 answers:

STALIN [3.7K]2 years ago

8 0

Answer:

x=−3 or x=−7

Step-by-step explanation:

Let's solve your equation step-by-step.

3(x+5)2−12=0

Step 1: Simplify both sides of the equation.

3x2+30x+63=0

Step 2: Factor left side of equation.

3(x+3)(x+7)=0

Step 3: Set factors equal to 0.

x+3=0 or x+7=0

x=−3 or x=−7

Deffense [45]2 years ago

8 0

Answer: x=-3 and x=-7

work is in the attachment provided.

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