Answer:
x = 4 OR x = -4
Step-by-step explanation:
To find the solution, you can set both equations equal to one another:
(1) y=2x+1; (2) y=x^2+2x-15
2x+1 = x^2+2x-15
Then solve for the x-values that make this true.
2x+1 = x^2+2x-15
1 = x^2 - 15
16 = x^2
x = 4 OR x = -4
