Question

How to solve it ?

No unnecessary answer

Answer 1

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Answer 2

$\huge\underline\mathfrak{Question-}$

Solve ;

$= > ({3y}^{2} - 9) \: ( {4y}^{2} - 2y + 6)$

$\huge\underline\mathfrak{Answer-}$

$= > ( {3y}^{2} - 9) \: ( {4y}^{2} - 2y + 6)$

$= > {3y}^{2} ( {4y}^{2} - 2y + 6) \: - \: 9( {4y}^{2} - 2y + 6)$

$= > {12y}^{4} - {6y}^{3} + 18y^{2} - {36y}^{2} + 18y + 54$

$= > {12y}^{4} - {6y}^{3} - {18y}^{2} + 18y + 54$

Hence , Solved !