Question

B) 6x³y + 12y²z²+9y³ +8x³z²- =

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Answer 1

$\displaystyle\bf\\6x^{3} y+12y^{2} z^{2}+9y^{3} +8x^{3} z^{2} =(6x^{3}y+9y^{3})+(12y^{2} z^{2} +8x^{3} z^{2} )=\\\\\\=3y\cdot(2x^{3} +3y^{2} )+4z^{2} \cdot(3y^{2} +2x^{3} )=(2x^{3} +3y^{2} )\cdot(3y+4z^{2} )$

Answer 2

3y•(2x^3+3y^2)+4z^2•(3y^2+2x^3)