You can put this solution on YOUR website! If (x - 4) is a factor of x² - x - w = 0, then the value of w is:
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If x-4 is a factor, 4 is a root.
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Solve:: f(4) = 0
4^2 - 4 - w = 0
12-w = 0
w = 12
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Cheers,
Stan H.
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