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OpenStudy (anonymous):
4x^2-36x+81=0 ......can you show me the steps too??
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OpenStudy (anonymous):
Are you asked to do it by factorisation, or by using the quadratic formula?
OpenStudy (anonymous):
\[(2x- 9)(2x- 9)\] x=9/2
OpenStudy (anonymous):
sorry there should be an =0 at the end of the first step
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