Answer:
F = 6x
O = -3x
I = 10x
L = -5
Step-by-step explanation:
FOIL follows the formula:
(a + b)(c + d) = ac + ad + bc+ bd
F: (3x) (2x) = 6x^2
O: (3x) (- 1) = -3x
I: (5) (2x) = 10x
L: (5) (-1) = -5
