Foil2

FOIL Front---Outer---Inner---Last

(2x + 5)(3x + 5) F + O + I + L (2x*3x) + (2x*5) + (5*3x) + (5*5) 6x² + 10x + 15x + 25 6x² + 25x +25 1.

F + O + I + L (3x*4x) + (3x*9) + (9*4x) + (9*9) 12x² + 27x + 36x +81 12x² +63x + 81 2. (3x + 9 )(4x +9)

(-2x + 7)(3x + 8) F + O + I + L (-2x*3x) + (-2x*8) + (7*3x) + (7*8) -6x² - 16x + 21x + 56 -6x² + 5x +56

(2x – 5)(3x + 8) F + O + I + L (2x*3x) + (2x*8) + (-5*3x) + (-5*8) 6x² + 16x -15x -40 6x² + x - 40

(4X -2)(X-5) F + O + I+ L (4x*x) + (4x*-5) + (-2*x) + (-2*-5) 4x² + -20x – 2x + 10 4x² -22x + 10

(3x + 7)(4x-2) F + O + I+ L (3x*4x) + (3x*-2) + (7*4x) + (7*-2) 12x² + -6x +28x - 14 12x²+22x - 14

7. (-2X +4)(4X-3) F + O + I+ L (-2x*4x) + (-2x*-3) + (4*4x) + (4*-3) -8x² + 6x +16x - 12 -8x² +22x - 12

8. (X -3)(X+3) F + O + I+ L (x*x) + (x*3) + (-3*x) + (-3*3) x² + 3x -3x - 9 x² - 9

9. (2X +5)(3X+7) F + O + I+ L (2x*3x) + (2x*7) + (5*3x) + (5*7) 6x² + 14x + 15x + 35 6x² + 29x + 35

10. (6X -3)(2X+5) F + O + I+ L (6x*2x) + (6x*5) + (-3*2x) + (-3*5) 12x² + 30x - 6x - 15 12x² + 24x - 15

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