Solve the simultaneous equation: y=x^2+2x-2 y=4x+6
You want to make the equations equal one another. If both equal y it can be written like this: x2+2x-2=4x+6Then simplify by putting the terms on one side and equaling 0: x2-2x-8Now put into brackets: (x-4)(x+2)x= 4, -2
