Question

check whether -5 is a zeros of the polynomial x^2+x-20

Answer 1

x-5=0

x = 5

P(X)= x^2+x-20

P(5)= (5)^2+5-20

= 25+5-20

= 30-20

= 10

Hence, (-5) is not the zeros of Polynomial.

Be Brainly