Polynomials

Foil Method

100

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

-6x²-16x-8

200

(-4x-6) (-8x+3)

32x²+36x-18

300

(8x+9) (12x-3)

96x²+84x-27

400

(10x-7) (22x+1)

220x²-144x-7

500

(30x-16) (20x-70)

600x²-2420x+1120

Box Method

100

(2x) (3x²+12x-2)

6x³+24x²-4x

200

(8x+7) (2x²-2x+4)

16x³-2x²+18x+28