Answer:
Since both equations are equal to each other given that they are both equal to y, you can say that . . .
2x = x^2 - 15
x^2 - 2x - 15 = 0
(x-5) (x+3) = 0
Zero Product Property
x = 5 ; x = -3
Solve for y:
y = 2(5) ; y = 2(3)
y = 10 ; y = 6
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