Question

state mean whether the values given extend the quadratic equation are the roots of the equation or not x2 +4x-5= x=1,x=-1​

Answer 1

Answer:

1 is a root of the given polynomial while 1 is a root of the given polynomial

Step-by-step explanation:

Substituting x=1,

=$1^{2}$+4(1)-5

=1+4-5

=5-5

=0

1 is a root of the given polynomial

Substituting x=-1,

=$-1^{2}$+4(-1)-5

=1-4-5

=1-9

=-8

1 is a root of the given polynomial

Hope it helps...