# SOLUTION: Solve the equation and check for extraneous solutions. square root 9a^2 +a-7 = 3a

Algebra ->  Algebra  -> Expressions-with-variables -> SOLUTION: Solve the equation and check for extraneous solutions. square root 9a^2 +a-7 = 3a      Log On

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 Algebra: Expressions involving variables, substitution Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Expressions-with-variables Question 80571: Solve the equation and check for extraneous solutions. square root 9a^2 +a-7 = 3aAnswer by mathdoc314(58)   (Show Source): You can put this solution on YOUR website!I guess that means you want values of a for which The extraneous solutions that can occur are ones with since the left side is always nonnegative. (The question doesn't ask for solutions where + or - square root of 9a^2 + a - 7 is 3a.) Square both sides and Subtract 9*a^2 from both sides and Check your answer: ? TRUE