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vovangra [49]
3 years ago
5

Can someone please help with question 4?

Mathematics
1 answer:
kirill115 [55]3 years ago
3 0
7 4/5 multiply 4/5 by 2 which will be 7 8/10+ 12 1/10 whigh will end up as 19 9/10
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(x4 − 9x + 5x7) + (5x − 10 + 3x4 − 2x2)
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Answer:

(x^4 - 9·x + 5·x^7) + (5·x - 10 + 3·x^4 - 2·x^2)

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5·x^7 + x^4 + 3·x^4 - 2·x^2 - 9·x + 5·x - 10

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Step-by-step explanation:

Remember:

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Step-by-step explanation:

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