SOLUTION: Factor the polynomial expression. If necessary, use the caret (^) to enter exponents. 4x^2 - 81

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Factor the polynomial expression. If necessary, use the caret (^) to enter exponents. 4x^2 - 81      Log On


   

Question 144883: Factor the polynomial expression. If necessary, use the caret (^) to enter exponents.
4x^2 - 81
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
4x^2 - 81
= (2x-9)(2x+9
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Cheers,
Stan H.