Multiplying polynomials by monomials.

easy

100

x(x+4)

What is x^2+4x

200

t(t+10)

What is t^2+t10

300

x(x+7)

What is x^2+7x

400

x(12+x)

What is x^2+12x

medium

100

2x(x+3)

What is 2x^2+6x

200

3x(x+9)

What is 3x^2+27x

300

2x(x+2)

What is 2x^2+4x

400

2x(12+x)

What is 2x^2+24x

500

5x(x+4)

What is 5x^2+20x

tricky

100

2x(x+2+5)

What is 2x^2+14x

200

2x(x+7+2)

What is 2x^2+18x