A1: 8.3 Multiplying Polynomials

(x +2)(x + 3)

• x² + 5x + 6
• x² + x + 6
• x² + 5x + 5
• x² + 6x + 6

(x + 5)(x + 4)

• x² + x + 20
• x² + 20x + 9
• x² + 9x + 20
• x² - 9x + 54

(x - 5)(x + 1)

• x² - 4x - 5
• x² + 6x - 5
• x² - 5x - 4
• x² - 4x - 4

(5x+2)(x²-3x+6)

• 5x³ - 17x² +24x +12
• 5x³ + 17x² - 24x +12
• 5x³ - 13x² + 24x +12
• 5x³ +13x² - 24x - 12

(3x − 6)(7x + 7)

• 21x² − 63x + 42
• 21x² − 21x − 42
• 21x² − 42
• 21x² + 63x + 42

(5x+2y)(x²-3xy+6)

• 5x³ - 17x² y - 6xy² -30x +12y²

• 5x³ + 17x²y -6xy² - 30x +12y²

• 5x³ - 13x²y -6xy² - 30x +12y²

• 5x³ +13x²y - 6xy - 30x + 12y²