Find the following products: (3 x^2+5 x-9 ) (3 x-5) - Vidyadip

Question

Find the following products:
$\left(3 x^2+5 x-9\right) \times(3 x-5)$

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Answer

$\left(3 x^2+5 x-9\right) \times(3 x-5)$
$=3 x^2(3 x-5 x)+5 x(3 x-5)-9(3 x-5)$
$=9 x^3+15 x^2-27 x-15 x^2-25 x+45$
$=9 x^3-52 x+45$

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