Question

If -5 is a root of quadratic equation 2x^+px-15 then find the value of p

Answer 1

Here is ur answer!!


$2 {( - 5)}^{2} + p( - 5) - 15 = 0$
$2(25) - 5p = 15$
$50 - 5p = 15$
$5p \: = \: 50 - 15$
$5p \: = 35$
p = 7

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