Question

factorize
${x}^{2} - 5x - 16$
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Answer 1

Step-by-step explanation:

${x}^{2} - 5x - 16 = 0 \\ = > x = \frac{5 + - \sqrt{89} }{2} \\ = > x = \frac{5 + \sqrt{89} }{2} \\ \: \: or \\ = > x = \frac{5 - \sqrt{89} }{2}$

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Solve it by quadratic formula