Answer:
-20x -11
Explanation:
You want to simplify -3(4x-3)-4(2x+5).
Simplification
An expression is simplified by removing parentheses and combining like terms. The parentheses are removed by making use of the distributive property.
-3(4x-3)-4(2x+5) . . . . . . . . . . . . given
= -3(4x) -3(-3) -4(2x) -4(5) . . . . use the distributive property
= -12x +9 -8x -20 . . . . . . . . . . . evaluate products
= (-12-8)x +(9 -20) . . . . . . . . . . group like terms
= -20x -11 . . . . . . . . . . . . . . . . evaluate sums