Simplifying Expressions

Front

What is the constant term in this expression:
-4x + 5 + 10x - x²

Back

5

Front

What is the coefficient of the 3rd term:
3x - 1 + 4x - 10

Back

4

Front

Add these expressions
(3x+15) + (4x+13)

Back

7x+ 28

Front

Find the sum (−3x + 7) + (2x − 5).

Back

−x + 2

Front

(y - 6x + 5) + ( 6y - 5x + 3) + ( 5y + 2x - 7)

Back

12y - 9x + 1