Solve the following system using elimination or substitution. show your work.

y = x^2 - 2x - 6
y = 4x + 10

Please explain how to do this and the answer! THANKS!

1 answer

y = x^2 - 2x - 6
y = 4x + 10 subtract the second equation from the first:
0=x^2-6x-16 then factor
(x-8)*(x+2)=0
x=8, or x=-2