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The roots of the quadratic equation x2+7x= 0 are A.0, -7 B. 7, -7 C. 0, 7 D. -7, -7 |
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Answer» Explanation: x^2 + 7X + 0 = 0 By factoring the LHS, ⇒ x(x + 7) = 0 EITHER, x = 0/(x + 7) or x + 7 = 0/x Either x = 0 or x = - 7. So, x = 0, - 7. |
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