\(A=-5x^2y^4.\left(3x^2y^3-2x^3y^2-xy\right)\)
\(A=-15x^4y^7+10x^5y^6+5x^3y^5\)
\(B=x^2y.\left(2xy+2x^2-xy^2\right)-2xy^2.\left(x^2-x^3y+3\right)\)
\(B=2x^3y^2+2x^3y-x^3y^3-2x^3y^2+2x^4y^3-6xy^2\)
\(B=2x^3y-x^3y^3+2x^4y^3-6xy^2\)
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A=−5x2y4.(3x2y3−2x3y2−xy)A=−5x2y4.(3x2y3−2x3y2−xy)
A=−15x4y7+10x5y6+5x3y5A=−15x4y7+10x5y6+5x3y5
B=x2y.(2xy+2x2−xy2)−2xy2.(x2−x3y+3)B=x2y.(2xy+2x2−xy2)−2xy2.(x2−x3y+3)
B=2x3y2+2x3y−x3y3−2x3y2+2x4y3−6xy2B=2x3y2+2x3y−x3y3−2x3y2+2x4y3−6xy2
B=2x3y−x3y3+2x4y3−6xy2
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