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Chapter 5: Q. 9 (page 497)

In the following exercises, add or subtract the monomials.

(a)7x2+5x2(b)4a鈭�9a

Short Answer

Expert verified

The result of solving is

a)12x2b)鈭�5a

Step by step solution

01

Step 1. Given information 

Thegivenexpressionsare(a)7x2+5x2(b)4a鈭�9aWehavetoaddorsubtractthegivenexpressionsasapplicable.

02

Step 2. Solve for part (a)

Considerthegivenexpression鈬�7x2+5x2=7+5x2=12x2

03

Step 3. Solve for part (b)

Considerthegivenexpression鈬�4a鈭�9a=4鈭�9a=鈭�5a

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