Question

1. Which is equivalent to (3x - 8)(4x + 2)?

(A
B
12x2 + 16
12x2 - 16
12x2 - 6x + 16
12x2 - 26x - 16
C)
D

Answer 1

12x² - 26x - 16

Explanation:

(3x - 8) (4x + 2)

= 3x (4x + 2) - 8 (4x + 2)

= 12x² + 6x - 32x - 16

= 12x² - 26x - 16

Answer 2

12x2 + 6x - 16

Explanation:

You foil. "FOIL" stands for "FIRST - OUTER - INNER - LAST" numbers of the two parenthesis.