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If-2 is a zero of quadratic polynomial P(x)=2x²-Kx,then K equal to

If-2 is a zero of quadratic polynomial P(x)=2x²-Kx,then K equal to
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If-2 is a zero of quadratic polynomial P(x)=2x²-Kx,then K equal to

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User Alex Ali
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If -2 is a zero of the quadratic polynomial P(x) = 2x² - Kx, then K is equal to 4.

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User Raisen
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