Question

Which of the following are solutions to the equations below? x^2+x-20=0

Answer 1

Answer:My answer would be

x=4,-5

tell me if I am wrong

Explanation:

Answer 2

x=4 x=-5

Explanation:

x^2+x-20=0

Factor

What 2 numbers multiply to -20 and add to 1

-4*5 =-20 and

-4+5 =1

(x-4) (x+5) =0

Using the zero product property

x-4 =0 x+5=0

x=4 x=-5