Question

find the product (x^2 +9) (x^2-6)

Answer 1

Hey mate!!!

$( {x}^{2} + 9)( {x}^{2} - 6) \\ by \: using \: the \: identity \: (x + a)(x + b) = {x}^{2} + (a + b)x + ab \\ {( {x}^{2}) }^{2} + (9 - 6)x + (9 \times - 6) \\ {x}^{4} + 3x - 54$

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