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Quadratic Equations

Solve x2-15...

Question

Solve $x^{2} - 15 x + 56$

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Solution

$x^{2} - 15 x + 56 = x^{2} - 7 x - 8 x + 56 = (x - 7) (x - 8)$

$x = 7, 8$

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x^{2} + 15 x + 56

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Q. The two linear factors of

x^{2} - 15 x + 56

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