SOLUTION: Solve the equation 3x^2 + 2x = √(3x^2 + 2x) without squaring both sides.

Question 930796: Solve the equation 3x^2 + 2x = √(3x^2 + 2x) without squaring both sides.
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
Simple Substitution: Let . This gives ,

OR ;

Back-substituting this means OR
and no further need to square both sides. Each of these can be solved for x.
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SOLUTION: Solve the equation 3x^2 + 2x = &#8730;(3x^2 + 2x) without squaring both sides.

SOLUTION: Solve the equation 3x^2 + 2x = √(3x^2 + 2x) without squaring both sides.