Question

If (x-3) is a factor of x2+ax-3 then the value of a?

Answer 1

Answer:

Putting X = 3 in eq., we get

${3}^{2} + 3a - 3 = 0$

$3a = - 6$

$a = - 2$

Ans.

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Answer 2

Answer:

3^2-a×3-15=0

9-3a=15

-3a=15-9

-3a=6

a=6/-3

a=-2