If x=2 is a zero of the polynomial p(x) = 2x² + 3x-n, then the value of 'n' is
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If x=2 is a zero of the polynomial p(x) = 2x² + 3x-n, then the value of 'n' is
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Answer:
Since x=2 is the zero of p(x)
Substituting x=2 in p(x)
p(2)=2(2)²+3(2)-n=0
8+6-n=0
14-n=0
-n=-14
n=7
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