Monomial(Binomial)

Simplify:  $3x\left(x+7\right)$  

•  $3x^2+21x$  

•  $3x+21$  

•  $3x^2+7$  

Simplify:  $x^2\left(2x+3\right)$  

•  $2x^3+3x^2$  

•  $2x^2+3x$  

•  $2x^3+9x$  

Simplify:  $5xy\left(6x-y\right)$  

•  $30x^2-5y^2$  

•  $30x^2y-5xy^2$  

•  $30xy-5xy$  

Simplify:  $3a\left(5a^2+8a+2\right)$  

•  $15a^3+24a+6$  

•  $15a^2+24a+6$  

•  $15a^3+24a^2+6a$  

Simplify:  $5x\left(4x^3+8\right)-4x$  

•  $20x^4+36x$  

•  $20x^4-36x$  

•  $20x^3+40x-4x$  

Simplify:  $-3x^2\left(7x^2-x+4\right)$  

•  $21x^3-3x^2+12$  

•  $-21x^4+3x^3-12x^2$  

•  $21x^4-12x^3+3x^2$  

Simplify:  $6h\left(5h^2-2hz-4z^2\right)$  

•  $30h^3-12h^2z-24hz^2$  

•  $30h^3-12h^2-24h$  

•  $30h^2-12hz-24z^2$  

Simplify:  $4k^2\left(6k^2+9kn-5n^2\right)$  

•  $24k^4+36k^3n-20k^2n^2$  

•  $24k^2+36kn-20n^2$  

•  $24k^2+36k^3-20n^2$  

Determine the area of the rectangle.  Simplify your expression.

• $25x-20$

• $25x^2-20x$

• $5x$

Determine the area of the rectangle. Simplify the expression.

• $22x^3y^2$

• $8x+14$

• $8x^2y+14xy$