Simplify the following: 3 (-3 + 5x) - 1 (4 - 4x)

3 (-3 + 5x) - 1 (4 - 4x)

Simplify each term by first using the distributive property with each set of parenthesis:

3*-3 + 3*5x - 1*4 - 1 * - 4x

Now do the multiplications:

-9 + 15x - 4 + 4x

Combine like terms

15x + 4x - 9 - 4

19x - 13