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Question

3x2+11x+63=0

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Solution

Given:3x2 + 11x + 63 = 0 3x2 + 9x + 2x + 63 = 0 3x(x + 33) + 2(x + 33) = 0 (x + 33)(3x + 2) = 0 x + 33 = 0 or 3x + 2 = 0 x = 33 or x = 23 = 2 × 33 × 3 = 233Hence, the roots of the equation are 33 and 233.

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