Question

F(x) = 3x³ + 8x² - 7x - 4
g(x) = 2x - 6

Find (ƒ - g)(x).​

Answer 1

`= 3 {x}^(3) + 8 {x}^(2) - 7x - 4 - (2x - 6) \\ = 3 {x}^(3) + 8 {x}^(2) - 7x - 4 - 2x + 6 \\ = 3 {x}^(3) + 8 {x}^(2) - 7x - 2x - 4 + 6 \\ = 3 {x}^(3) - 8 {x}^(2) - 9x + 2`

OPTION A IS THE SOLUTION!!