3/4 (-10+2/5) ...

3/4 (-10+2/5)

first do parenthesis

factor out - 1 inside the parenthesis

3/4 * (-1 * (10-2/5))

borrow from the 10

3/4 * (-1 * (9 5/5-2/5))

3/4 * - 1 (9 3/5)

change the mixed number to an improper fraction

3/4 * - 1 ((5*9+3) / 5)

3/4 * - 1 (48/5)

3/4 * (-48/5)

-144/20

divide by 4

-36/5

-7 r 1

-7 1/5