Q19.

Question

Find each sum or difference.

3x+6x

Step-by-Step Solution

Verified
Answer

9x

1Step 1. Add.

Let x,y and z be polynomials with z0, such that, xz+yz=x+yz.

2Step 2. Add.

Find the sum.

3x+6x=3+6x

3Step 3. Simplify.

Simplify the obtained expression.

9x

Therefore, the sum of given expression is 9x.