Question

x²+4x-5=0, x=1, -1 determine whether the values given against each of the quadratic equation are the roots of the equation​

Answer 1

Answer:

x=1 is the zero of polynomial

Step-by-step explanation:

(1)^2+4(1)-5

=1+4-5

=5-5

=0

(-1)^2+4(-1)-5

=1-4-5

=1-9

=-8