You can put this solution on YOUR website! Evaluate x2 - x for the value of x satisfying the following equation.
x - 83 = 2x + 4(5x - 5)
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x-83 = 2x + 20x - 20
x-83 = 22x - 20
21x = -63
x = -3
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Ans: x^2-x = 9-3 = 6
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Cheers,
Stan H.
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