Question

tính (3x⁴y³-9x²y²+25xy³):xy²-3x³yy-9x+25

Answer 1

\(\left(3x^4y^3-9x^2y^2+25xy^3\right):xy^2-3x^3y+9x+25\) 

\(=3x^4y^3:xy^3-9x^2y^2:xy^2+25xy^3:xy^2-3x^3y-9x+25\)

\(=3x^3-9x+25y-3x^3y-9x+25\)

\(=3x^3-18x+25y-3x^3y+25\)