1. Given (12+3)x, we can sum the numbers in the parenthesis to get 15x
2. Given 12x+3x, we can factor x to get (12+3)x and get the same as 1.
3. Given (12+3x)x, we have to distribute the x and we have
4. This expression is already simplified.
(12+3x)x
Step-by-step explanation:
(12+3)x = 15x
12x+3x = 15x
15x= 15x
(12+3x)x = 12x+3x^2
Answer:
16
Step-by-step explanation: becuase you have to round it think to urself is it closer to 15.9 or 16