Question

find x intertcepts of y=x^2+2x-8

Answer 1

x^2+2x-8
= (x+4) (x-2)

x = -4, 2

Answer 2

y=0 is that my first step?

Answer 3

yep

Answer 4

then factor
and find the x values as moneybird did

Answer 5

(x-2)(x+4)
-2,4?

Answer 6

2,-4?

Answer 7

2 ,-4 yes

Answer 8

does it matter what way we write it?

Answer 9

no you can write it as -4, 2 or wtite 'x=2 or -4' - means same thing

Answer 10

ok thanks!

Answer 11

i have soo much to check ugh