Question

Add the given polynomials x-2x-9 ;5 x+ 2x+9​

Answer 1

Answer:

6x is the correct answer ....

Step-by-step explanation:

hope it's helpful to you

Answer 2

Answer

−x

3

−2x

2

−9

5x

3

+9+2x

___________________

4x

3

−2x

2

+0+2x

___________________

⇒4x

3

−2x

2

+2x.

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