Combining Like Terms #2

How many terms are in this expression:

2x + 5 - x + 6x + 1

• 3 terms

• 4 terms

• 5 terms

• 6 terms

n -10 +9n -3=

• 9n - 3

• 9n - 3

• 10n + 13

• 10n -13

Simplify.

x - 44 + 1 - 15x

• -16x - 43

• -14x - 34

• -14x - 43

• -14x + 43

Simplify.

-24 - 13x - 18x + 24

• -31x + 48

• -31x

• -31x - 48

• -31x - 24

-7 + 5x - 3x - 12x

• 10x - 7

• -10x - 7

• -10x + 7

• 10x + 7

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

• 7, 24y
• 3x, 9x
• 3x, -9x
• 3x, -9x, 2x²

Like terms have the same _____ and the same _____.

• variables and numbers
• signs and numbers
• variables and exponents
• variables and signs

Simplify by combining like terms.
m + 9 - 4m

• 5m
• m + 5m
• -3m + 9
• 4m

• Can't be simplified

2a² – 8a²+ 5a³– 11a²

• - 5a² + 5a³
• -17a² + 5a³
• 5a^{2 -} 5a³