1.

X4-6x3+2x-7+7x3-x+5x2+2-x4​

Answer»

ong>Answer:

x3+5x2+x-5

Step-by-step explanation:

x4-6x3+2x-7+7x3-x+5x2+2-x4​ is the question

Rearranging the like term:-

= x4-x4+(-6+7)x3+5x2+(2-1)x-7+2

= 0+x3+5x2+x-5

Therefore, the answer is x3+5x2+x-5

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