2 years ago

Need more help - Attached image

Mathematics

2 answers:

Naily [24]2 years ago

7 0

Answer:

D. $10x^7 + 7x^5 -2x + 9$

Step-by-step explanation:

Like terms: $7x^7$ and $3x^7$ = $10x^7$

$5x^5$ and $2x^5$ = $7x^5$

$-3x$ and $x\\$ = $-2x$

$7$ and $2$ = $9$

The answer would be: $10x^7 + 7x^5 - 2x + 9$

Therefore, it is option D

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mylen [45]2 years ago

4 0

Answer:B

Step-by-step explanation:

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