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OpenStudy (anonymous):
@Isaiah.Feynman
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OpenStudy (anonymous):
OpenStudy (anonymous):
@Nurali @digitalmonk
OpenStudy (anonymous):
(a-b)^2 = a^2-2ab+b^2 use this to expand (3x-1)^2 then bring all the terms on one side group the x^2 terms , x terms and the constant terms
OpenStudy (isaiah.feynman):
The attached file is the solution.
OpenStudy (nurali):
2x^2+3x=(3x-1)^2-x^2 2x^2+3x=9x^2-6x+1-x^2 3x+6x=9x^2-2x^2-x^2+1 9x=6x^2+1 6x^2-9x+1=0
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