Multiplying Monomials and Polynomials with Addition

When multiplying a monomial and a polynomial, the key is ....

• multiply the coefficients & add the exponents

• add the coefficients & multiply the exponents

• a nice, sharp pencil

• 2x²+5x

• x²+6x

• x²-5x

• x²+5x

• 8w²+40w

• 9w²+40w

• 8w²+13w

• 8w+40w

2x²(x+5)

• 2x²+5

• 2x²+10x²

• 2x³+5

• 2x³+10x²

x(x+4)

• 2x+4

• x²+4x

• x²+4

10x(x+2)

• 10x+2

• 10x²+20x

• 10x²+2

• 10x+20x

5x(5x+5)

• 10x²+25x

• 10x²+10x

• 25x²+25x

• 25x²+10x

10x(2x²+3x+4)

• 20x³+30x²+40x

• 20x²+30x+40

• 12x³+13x²+14x

• 12x²+13x+14

Simplify:
3x³(2x² + 9x + 6)

• 6x⁵ + 27x⁴ + 18x

• 6x⁵ + 18x² + 9

• 6x⁵ + 27x⁴ + 18x³

• 6x⁵ + 45x³ 

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴