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Chapter 5: Q.355. (page 558)

Simplify18a-7b-21a.

Short Answer

Expert verified

The solution is-3a-7b.

Step by step solution

01

Step 1. Given information.

The given polynomial is18a-7b-21a.

02

Step 2. Simplify the expression by add or subtract the like terms.

Solve it as follows:

18a-7b-21a=18a-21a-7b18a-7b-21a=-3a-7b

03

Step 3. Simplified answer.

Hence, the required polynomial is-3a-7b.

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