Question

Which of the following pair of expressions are equivalent?

A. x(3x) and 4x
B. x(5x) and 5x²
C. 2c + d and c + 2d
D. 5 - x and -x + 5

Answer 1

Explanation:

The following pairs of expressions are equivalent:

B) x(5x) and 5x²

D) 5 - x and -x + 5