Adding, Subtracting, and Multiplying Polynomials

When Multiplying Polynomials like (x - 2) (x + 9) which methods can you use? Choose ALL that are correct.

• Box Method

• FOIL

• CLT

• PEMDAS

• A
• B
• C
• D

(2x + 3)(3x + 4)

• 6x² + 17x + 7

• 6x² + 17x + 12

• 6x² + 8x + 12

• 6x² + 9x + 12

(4x + 3)(x + 2)

• x² + 11x + 6

• 4x² + 8x + 6

• 4x² + 3x + 6

• 4x² + 11x + 6

(x-7)(x+7)

• x²-49

• x²+49

• x²-14x+49

• x²-14x-49

(x-3)(x²+2x+7)

• x³-x²+x-21

• x³+5x+13x-21

• x³-3x²+7x-21

• x²+2x-3

(3x - 5)(4x² - 2x - 3)

• 12x³ - 26x² - 25x + 15

• 12x³ - 20x² - 5x + 15

• 12x³ - 20x² - 6x + 15

• 12x³ - 26x² + x + 15

Simplify:

(2y+1)(4y-3) -(5y²+3)

• 8y²-2y-3

• 3y²-2y-6

• 3y²-2y

• 13y²-2y

Simplify:

(x+4) + (x-2)(3x+5)

• 3x²-x-10

• 3x²-14

• 3x²-6

• 3x²+2x+14

Add the following polynomials: (x³ + 6x - 5) + (-6x² + 4x + 3)

• x³ - 6x² +10x - 8

• x³ - 6x² +10x + 2

• x³ - 6x² +10x - 2

• x³ + 4x - 2