Solve the system of equations algebraically . show all your steps. Y=x^2+2x

Question

Y=3x+20

Answer 1

Since both = y, they must = each other

x^2 + 2x = 3x + 20

x^2 -x -20 = 0

Now, factor:

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

Can you find the values of x?

Answer 2

Ummm im not sure

Answer 3

Hello?? I still need help

Answer 4

Did you get it?

Answer 5

I think John solved it by giving you the factoring.

Answer 6

x=5, x=-4 is the final answer

Answer 7

I need 2 POOP reeeeeaaallllly bad?.,'":;][-)(