p(x)=2x2-3√2x-9 then p(3√2)=?
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Step-by-step explanation:
p(x)=2x2-3√2x-9
p(3√2) = 2(3√2)² - 3√2(3√2) -9
2(3²×√2²) -(3√2)² -9
= 2(9×2) -(9×2) -9
= 2(18) - 18 -9
= 36-27
=9
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