Question

If (x+1) is a factor of x2 -3ax+3a-7, find the value of a​

Answer 1

Given, x+1 is a factor of the given expression.
i. e x=-1 is a zero of the given expression.

Therefore, put x=-1 in the given expression and
Equate it with zero.
We get 6a=6
=> a=1 ans