Question

Giving 15 points, please help me.
Combine the like terms to simplify this expression. 16x + 12y^ 2 + 4a + 12x

A.28x + 12y^2 +4a
B.12y^2 + 4x + 4a
C.44 + axy^2
D.y^2 +ax + 44

I am so confused, please give me the answer but also explain why.

Answer 1

16x + $12y^{2}$ + 4a + 12x

First, gather the like terms. / Your problem should look like: (16x + 12x) + $12y^{2}$ + 4a
Second, simplify. / Your problem should look like: 28x + $12y^{2}$ + 4a

Answer: A) 28x + $12y^{2}$ + 4a

Answer 2

Add like terms

16x + 12x = 28x

16x + 12y^2 + 4a + 12x = 28x + 12y^2 + 4a

Your answer is A.