Question

one of the root of the equation

${x}^{2} + mx - 5 = 0$
is 2.find m
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Answer 1

Answer:

Hola mate ,

Here is your answer.

Answer 2

If 2 is a root of the given polynomial equation then solution of this equation will be zero

${(2)}^{2} + 2 \times m - 5 = 0 \\ \\ = > 4 + 2m - 5 = 0 \\ \\ = > 2m = 1 \\ \\ = > m = \frac{1}{2}$

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