Question: Which two expressions are equivalent?
A) x+x+x and x^{3}
B) 14 x+10-2 x and 16 x+10
C) 12 x+16 x and 4(3 x+4 x)
D) 12 x^{2}+5 x+10 and 17 x^{2}+10
Correct answer: C
Grade: 6 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 6.EE.A.3