1. Simplify the expression: $(5a + 8) - (2a + 3)$. The simplified expression is ___.
2. What is the result of subtracting $(3b - 2)$ from $(7b + 4)$?
3. Simplify the expression $(6m - 5) - (m - 9)$. The result is ___.
4. Which expression is equivalent to $(8k + 1) - (4k + 5)$ after distributing the negative sign?
5. Subtract $(3x + 9)$ from $(2 - 5x)$. The simplified result is ___.
6. Factor the expression completely: $9(z - 5) + 2(z - 5)$. The result can be written as $11(\_\_\_)$.
7. Which expression is equivalent to $y(p + q) - 8(p + q)$?
8. Factor the expression $5m(2n - 3) + 6(2n - 3)$. The result is $(2n - 3)(\_\_\_)$.
9. Which expression is the correctly factored form of $x(y - 4) + 6(y - 4)$?
10. Factor the expression completely: $7(a - b) - c(a - b) = (a - b)(\_\_\_)$.