(-28x5y+14x4y+21x3y)÷(-7x3y)

Rewrite the division as a fraction.

-28x5y+14x4y+21x3y-7x3y

Factor 7 out of -28x5y.

7(-4x5y)+14x4y+21x3y-7x3y

Factor 7 out of 14x4y.

7(-4x5y)+7(2x4y)+21x3y-7x3y

Factor 7 out of 7(-4x5y)+7(2x4y).

7(-4x5y+2x4y)+21x3y-7x3y

Factor 7 out of 21x3y.

7(-4x5y+2x4y)+7(3x3y)-7x3y

Factor 7 out of 7(-4x5y+2x4y)+7(3x3y).

7(-4x5y+2x4y+3x3y)-7x3y

Cancel the common factors.

Factor 7 out of -7x3y.

7(-4x5y+2x4y+3x3y)7(-x3y)

Cancel the common factor.

7(-4x5y+2x4y+3x3y)7(-x3y)

Rewrite the expression.

-4x5y+2x4y+3x3y-x3y

-4x5y+2x4y+3x3y-x3y

-4x5y+2x4y+3x3y-x3y

Move the negative in front of the fraction.

–4x5y+2x4y+3x3yx3y

Factor -1 out of -4x5y.

–(4x5y)+2x4y+3x3yx3y

Factor -1 out of 2x4y.

–(4x5y)-(-2x4y)+3x3yx3y

Factor -1 out of -(4x5y)-(-2x4y).

–(4x5y-2x4y)+3x3yx3y

Factor -1 out of 3x3y.

–(4x5y-2x4y)-(-3x3y)x3y

Factor -1 out of -(4x5y-2x4y)-(-3x3y).

–(4x5y-2x4y-3x3y)x3y

Rewrite -(4x5y-2x4y-3x3y) as -1(4x5y-2x4y-3x3y).

–1(4x5y-2x4y-3x3y)x3y

Move the negative in front of the fraction.

–4x5y-2x4y-3x3yx3y

Multiply -1 by -1.

14x5y-2x4y-3x3yx3y

Multiply 4x5y-2x4y-3x3yx3y by 1.

4x5y-2x4y-3x3yx3y

Split the fraction 4x5y-2x4y-3x3yx3y into two fractions.

4x5y-2x4yx3y+-3x3yx3y

Split the fraction 4x5y-2x4yx3y into two fractions.

4x5yx3y+-2x4yx3y+-3x3yx3y

Factor x3y out of 4x5y.

x3y(4×5-3yy)x3y+-2x4yx3y+-3x3yx3y

Cancel the common factors.

Multiply by 1.

x3y(4×5-3yy)x3y⋅1+-2x4yx3y+-3x3yx3y

Cancel the common factor.

x3y(4×5-3yy)x3y⋅1+-2x4yx3y+-3x3yx3y

Rewrite the expression.

4×5-3yy1+-2x4yx3y+-3x3yx3y

Divide 4×5-3yy by 1.

4×5-3yy+-2x4yx3y+-3x3yx3y

4×5-3yy+-2x4yx3y+-3x3yx3y

4×5-3yy+-2x4yx3y+-3x3yx3y

Reorder factors in 4×5-3yy.

4yx5-3y+-2x4yx3y+-3x3yx3y

Factor x3y out of -2x4y.

4yx5-3y+x3y(-2xy)x3y+-3x3yx3y

Cancel the common factors.

Multiply by 1.

4yx5-3y+x3y(-2xy)x3y⋅1+-3x3yx3y

Cancel the common factor.

4yx5-3y+x3y(-2xy)x3y⋅1+-3x3yx3y

Rewrite the expression.

4yx5-3y+-2xy1+-3x3yx3y

Divide -2xy by 1.

4yx5-3y-2xy+-3x3yx3y

4yx5-3y-2xy+-3x3yx3y

4yx5-3y-2xy+-3x3yx3y

Factor x3y out of -3x3y.

4yx5-3y-2xy+x3y(-3×3-3yy)x3y

Cancel the common factors.

Multiply by 1.

4yx5-3y-2xy+x3y(-3×3-3yy)x3y⋅1

Cancel the common factor.

4yx5-3y-2xy+x3y(-3×3-3yy)x3y⋅1

Rewrite the expression.

4yx5-3y-2xy+-3×3-3yy1

Divide -3×3-3yy by 1.

4yx5-3y-2xy-3×3-3yy

4yx5-3y-2xy-3×3-3yy

4yx5-3y-2xy-3×3-3yy

Reorder factors in -3×3-3yy.

4yx5-3y-2xy-3yx3-3y

Divide (-28x^5y+14x^(4y)+21x^3y)÷(-7x^(3y))