Question

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

Answer 1

Answer:

They are not.

Step-by-step explanation:

Let's solve it and see:

x^2 + 4x - 5 = 0

(x + 5)(x - 1) = 0

x = -5, 1.