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Solving quadratic equation x2+8x=-15 by completing sqare method,find third term. |
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Answer» X^2 + 8X + 15 = 0 => x^2 + 2(4)x + 15 + 1 - 1 = 0 => x^2 + 2(4)x + 16 = 1 => (x+4)^2 = 1 Hope it will help. |
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