Multiplying Polynomials

when do you use the box method?

• when multiplying polynomials

• when adding polynomails

• when subtracting polynomails

When you multiply polynomials you do what with the exponents?

• add

• subtract

• multiply

• divide

Multiply the following polynomial by the monomial:

3x(4x² - x - 3)

• 12x² - 3x - 9

• 7x³ - 3x² - 6x

• 12x³ - 3x² - 9x

• 12x³ - 3x² - 6

Multiply the following polynomial by the monomial:

-x³(2x³ - x² + 5)

• -2x⁶ + x⁵ - 5x³

• -2x⁹ + x⁶ - 5x³

• -2x⁶ - x⁵ - 5x³

• -2x⁶ - x⁵ - 5

4a(5a² - a + 4)

• 20a³ - 4a² + 16a

• 20a² - 5a + 8a

• 20a² + 4a² + 16a

• 20a³ +3a² + 16a

Multiply
x²(2x+3)

• x²+2x+3

• 2x+3

• 2x²+3x

• 2x³+3x²

(2x+6)(2x-6)

• 4x²+24x-36

• 6x+12

• 4x²-36

• 2x+6+2x-6

(3r-4)(7r-5)

• 21r²-43r+20

• 21r+43r²+9

• 7r+12r

• r+2r

Find the product.
(x + 7)²

• x² + 7x + 7x + 49

• x² + 7x + 7

• 7x² + x + 7

• x² + 14x + 49

Multiply.
(b+3)(b²+2b+1)

• b³+6b²+6b+3

• b³+5b²+7b+3

• 4b³+8b²+3b

• 3b³+6b²+3b