Question

x²+mx-5=0 is 2 find m​

Answer 1

Answer:

$put \: \: x = 2 \\ \\ = > {2}^{2} + 2m - 5 = 0 \\ \\ = > 4 + 2m - 5 = 0 \\ \\ = > 2m - 1 = 0 \\ \\ = > 2m = 1 \\ \\ = > m = \frac{1}{2}$

Answer 2

Answer:

Step-by-step explanation:

x=2

(2)^2+2m-5=0

4+2m-5=0

2m-1=0

2m=1

m=1/2