Question

Which of the following algebraic expressions is not simplified?

Answer 1

Option D. a^2+6ab-2ba

Explanation:

Option D because we have like terms: 6ab and -2ba=-2ab, then

a^2+6ab-2ba=a^2+6ab-2ab

Simplifying on the right side of the equation adding like terms:

a^2+6ab-2ba=a^2+4ab