Question

Select all the expressions that are equivalent to 5x + 30x - 15x

1) 5 (x + 6x - 3x)
2) (5 + 30 - 15 ) x
3) x (5 + 30 x - 15x)
4) 5x ( 1 + 6 - 3)
5) 5 (x + 30x - 15x)

Answer 1

Explanation:

5(x+6x-3x)

(5+30-15)x

if you open the brackets, it will be 5x+30x-15x