multiplying monomials with polynomials

1

100

3(x²+2x+6)

What is 3x²+6x+18

200

-3x(x²-7x+1)

What is -3x³+21x²-3x

300

x²y(2x²-3)

What is 2x⁴y-3x²y

400

3xy(2x²+2xy+y²)

What is 6x³y+6x²y²+3xy³

500

2xy(3x²y+4xy-5xy²)

What is 6x³y²+8x²y²-10x²y³

2

100

2(2x²-x+11)

What is 4x²-2x+22

200

5x(-2x²+8x+12)

What is -10x³+40x²+60x

300

-2x(4x²-3x+5)

What is -8x³+6x²-10x

400

2x(5x³+x²-4x-2)

What is 10x⁴+2x³-8x²-4x

500

5xy²(3x²-4xy+y²)

What is 15x³y²-20x²y³+5xy⁴

3

100

-5x(3x-2)

What is -15x²+10x

200

4x²(x³-x+2)

What is 4x⁵-4x³+8x²

300

2y(3x²+4x+5y)

What is 6x²y+8xy+10y²

400

-1(24x²-5x²+4)

What is -19x²-4

500

3x²y²z(7x²+2y+z+4w)

What is 21x⁴y²z+6x²y³z+3x²y²z²+12wx²y²z

4

100

x³(-x²+x)

What is -x⁵+x⁴

200

2x(3x-4)

What is 6x²-8x

300

x(x+4)

What is x²+4x

400

5(2x³-10x-2)

What is 10x³-50x-10

500

-2/3x²y(2x²y-4/3xy²+4/9y³)

What is -4/3x⁴y²+8/9x³y³-8/27x²y⁴

5

100

-4x(-7x-2)

What is 28x²+8x

200

-7(5x+8)

What is -35x-56

300

2x²(x²-5x+y)

What is 2x⁴-10x³+2x²y

400

2x(4x+12y+5)

What is 8x²+24xy+10x

500

3x(4y+3x²) +4x(2y+3x)

What is x(20y+9x²+12x) or 20xy+9x³+12x²