Question

Solve x2 - 8x - 20 = 0.
x = 4, x = -5
x = -4, x = 5
x = 2, x = -10
x = -2, x = 10

Answer 1

To figure out the solution, factor the equation.
x^2 - 8x - 20 = 0
What adds up to -8 and multiplies up to -20?

Answer 2

last one
is the answer

Answer 3

_2,10

Answer 4

thanks