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OpenStudy (anonymous):
Solve the following equation by transforming it into a perfect square trinomial. 3x2 + 18x = 21 {–7, 1} {–19, 13} {–25, 7} {–13, –5}
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OpenStudy (anonymous):
3x^2 + 18x -21 = 0 Factor it out. 3((-1 -x)(7 -x)) Find The Zeros
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