Question

y + 12 = x^2 + x
What are the x-intercepts

Answer 1

make y=0, and solve for x

Answer 2

(x-3)(x+4)=0

Answer 3

Could you explain how do you factor out that expression jhonny9?

Answer 4

calcule these you to prove or check these

Answer 5

so or you dont believe me ?

Answer 6

got it

Answer 7

I don't how to factor.

Answer 8

and how you see is it right ?

Answer 9

I used the quadractic formula instead

Answer 10

No-data attention

so because there will be x2 +x -12 =0

Answer 11

so than you need calcule the +1x from two numbers what if you assum will add to you +1x
and two numbers what if you multiply will get -12

Answer 12

ahh -3 and 4

Answer 13

so after you will check or will make the calcule will get that 4-3=+1 and 4*(-3)=-12

Answer 14

right ?

Answer 15

and then I form (x-4)(x+3)

Answer 16

Yeah, right!

Answer 17

Thank U =)

Answer 18

yes hope so much that was understandably sure

Answer 19

yw