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14 Find the zeroes of the following polynomial:55x2 +30x +85 |
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Answer» 5sqrt(5)x^2 + 30x + 8sqrt(5) = 05sqrt(5)x^2 + 20x + 10x + 8sqrt(5) = 0sqrt(5)x(5x + 4sqrt(5)) + 2(5x + 4sqrt(5)) = 0(sqrt(5)x + 2)(5x + 4sqrt(5)) = 0x = - 2/sqrt(5), - 4/sqrt(5) Zeros of given equation are - 2/sqrt(5) and - 4/sqrt(5) |
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