Step-by-step explanation:
First equation: y=2x²+6x-10
2nd equation: y= -x+5
since we have y in both equations, we will equate both of them together.
y = y
2x²+6x-10 = -x+5
collect like terms:
2x² + 6x + x - 10 - 5 = 0
2x²+ 7x - 15 = 0
Using factorisation method to fin the values of x: