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06-11-2021
Mathematics

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(13x2+9x-4)-(12x2-2x+6) add or subtract the polynomials

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sierr436305 sierr436305

06-11-2021

Answer:

11x-8

Step-by-step explanation:

1. Simplify 13 x 2 to 26

2. simplify 12 x 2 to 24

3. simplify 24-2x + 6 to 2x + 30

4. remove the parentheses 26 + 9x - 4 + 2x - 30

5. collect the terms

( 26 - 4 - 30) + ( 9x + 2x)

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