Worksheets

Algebraic expressions

Level 1 · Collecting terms, substituting

Type your answers and press Check. Each answer is marked at once.

Simplify.

e.g. 3x^2 - 2x + 1

1.
9+7x−11−x9 + 7x - 11 - x
2.
x+7−12x + 7 - 12
3.
x−7x−2+5x - 7x - 2 + 5
4.
9x−6x−2+99x - 6x - 2 + 9
5.
−11+8x−9+8x-11 + 8x - 9 + 8x

Find the value of each expression.

6.
x2−7x^2 - 7 when x=9x = 9
7.
x2+8x^2 + 8 when x=−4x = -4
8.
6(x+1)6(x + 1) when x=2x = 2
9.
15−4x15 - 4x when x=9x = 9
10.
4(x−2)4(x - 2) when x=4x = 4