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2. SOLVE.: 3m² + 4m-7 = 0. |
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Answer» 3m² + 4M - 7 = 0 3m² - 3m + 7M - 7 = 0 3m (m-1) +7 (m-1) = 0 (m-1) (3m+7) = 0 m-1 = 0 and 3m+7 = 0 m = 1 and m = -7/3 |
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