Question

Solve. x2 + x = 20

Answer 1

-5,4

Answer 2

move the 20 on the left side

x2 + x = 20
x2 + x -20 = 20 - 20
x2 + x -20 = 0
(x-4)(x+5)=0
x-4 = 0 ; x+5 = 0
x = 4;-5

Answer 3

thank you so much!

Answer 4

no problem =)