Foil Method for Multiplying Binomials

(4s - 9)(5s - 8)

• 20s² - 77s + 72
• -20s² + 77s - 72
• 40s² - 77s + 36
• 20s⁵ - 77s - 72

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

• 6x² + 17x + 7
• 6x² + 17x + 12
• 6x² + 8x + 12
• 6x² + 9x + 12

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

• x² + 11x + 6
• 4x² + 8x + 6
• 4x² + 3x + 6
• 4x² + 11x + 6

(7y + 4)(8y + 2)

• 58y² + 48y + 6  
• 65y² + 64y + 8  
• 56y² + 46y + 8  
• 56y⁸ + 46y - 8  

(x +2)(x + 3)

• x^2 + 5x + 6
• x^2 + x + 6
• x^2 + 5x + 5
• x^2 + 6x + 6

(x + 5)(x + 4)

• x^2 + x + 20
• x^2 + 20x + 9
• x^2 + 9x + 20
• x^2 - 9x + 54

(x + 7)(x + 9)

• x^2 + 63x + 16
• x^2 + 16x + 63
• x^2 + 79
• x^2 + 16x + 2

(x - 5)(x + 1)

• x^2 - 4x - 5
• x^2 + 6x - 5
• x^2 - 5x - 4
• x^2 - 4x - 4

(x - 3)(x +10)

• x^2 - 7x + 13
• x^2 - 6x - 30
• x^2 + 7x - 30
• x^2 + 13x + 30

Find the product:
(y - 3)(y + 7)

• y² - 21
• y² + 10x - 21
• y² + 4y - 21
• 2y - 10