if p(x)=x^1+x2+ax+115 is exactly divisible by(x+5) then a=?
please answer this question
Answers
Answered by
3
Step-by-step explanation:
=)x^2 + x2 + ax + 115
=) x+5=0
=) x= -5
By fitting the value
=) (-5)^1 + (-5)^2 + (-5a) +115= 0
=) -5 + 25-5a + 115 = 0
=) 135 - 5a = 0
=) -5a = 135
=) a = 135/-5
a = -27
THIS IS THE ANSWER
Similar questions