the value of x equation system y= x^2 - x - 6 and y = 2x -2 is

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System of Linear and Quadratic Equation.

x² - x - 6 = 2x - 2
x² - x - 6 - 2x + 2 = 0
x² - 3x - 4 = 0
(x - 4)(x + 1 = 0
x = 4 ∨ x = -1