Question

When simplified, 9x-(x+4) is what

Answer 1

4 (-1 + 2 x)

Explanation:

Simplify the following:

9 x - (x + 4)

-(x + 4) = -x - 4:

9 x + -4 - x

Grouping like terms, 9 x - 4 - x = (9 x - x) - 4:

(9 x - x) - 4

9 x - x = 8 x:

8 x - 4

Factor 4 out of 8 x - 4:

Answer: 4 (-1 + 2 x)