The expression is given as

STEP 1
Expand the first parenthesis by multiplying all the terms there by 6.

STEP 2
Expand the second parenthesis by multiplying all the terms there by 5.

STEP 3
Collect the like terms.

STEP 4
Perform the arithmetic operations (addition and subtraction) to get the final answer.

The final answer is 28x - 35