Answer:
The first one
Step-by-step explanation:
Intuition.
Distribute then multiply 6x to all the terms inside parenthesis remember order of operations starting from left to right when solving expressions so the when you distribute
is 30x3-6x2 the 3 and 2 after x represent x cubed and squared
The aswer would be B because you have to divide a couple numbers to get 20in.