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

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Answered by Rosie D. Maths tutor

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