SOLUTION: Solve using the zero factor property 5x^2-180=0

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Question 980139: Solve using the zero factor property
5x^2-180=0

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
5x%5E2-180=0
x%5E2-%282%2A5%2A18%29%2F5=0
x%5E2=36
x=0%2B-+6
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That did not use the Zero Product Rule.

Here is making use of Zero Product Rule:
5x%5E2%2F5-180%2F5=0
x%5E2-36=0
x%5E2-6%5E2=0
%28x-6%29%28x%2B6%29=0
Either x-6=0 Or x%2B6=0
Either x=6 Or x=-6