Question

What is the coefficient of x in (x +3) (x-1)

Answer 1

2

Explanation:

Solving; ( x + 3 ) ( x - 1 )

x ( x - 1 ) + 3 ( x - 1 )

x² - x + 3 ( x - 1 )

x² - x + 3x - 3

x² - 2x - 3

The coefficient of x in x² + 2x - 3 is 2

(Note: we are asked to find the coefficient of "x" not x²)