Question

Which expression is equivalent to the following expression? 9(x - 5)

9x - 45

9x + 4

10x - 45

10x + 4

Answer 1

I'd say the first one would be correct

Explanation:

9(x-5)

(9x) - (9 * 5)

9 * 5= 45,

9x - 45

Answer 2

9x - 45

Explanation:

9 * x = 9x and 9 * -5 = -45. Therefore the answer is 9x - 45