SOLUTION: the full solution of 4a^2-147=a^2

Question 975323: the full solution of 4a^2-147=a^2

Found 2 solutions by Fombitz, farohw:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Two solutions:

and

Answer by farohw(175) (Show Source): You can put this solution on YOUR website!

Isolate the variables on the left-side of the equation:

Subtract:
--->

Divide both sides by 3:

---> --->

-->

Factor: --> (a+7) = 0, (a-7) = 0

Solutions: a = -7, a = 7

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