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ki77a [65]
3 years ago
5

(5r-4)(r^2-6r+4) what is the product

Mathematics
2 answers:
Tatiana [17]3 years ago
8 0

Distribute sum groups

5r(r^2 - 6r + 4) -4(r^2 - 6r + 4)

Distribute

5r^3 - 30r^2 + 20r - 4(r^2 - 6r + 4)

Distribute

5r^3 - 30r^2 + 20r - (4r^2 - 24r + 16)

Simplify brackets

5r^3 - 30r^2 + 20r - 4r^2 + 24r - 16

Collect like terms

5r^3 (-30r^2 - 4r^2) + (20 + 24r) - 16

Simplify

<u>5r^3 - 34r^2 + 44r - 16</u>

skelet666 [1.2K]3 years ago
4 0

Answer:

5r^3-34r^2+44r-16

Step-by-step explanation:


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7 0
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#8 Dylan, Mike and Jeremy had $171. Mike had twice as much money as Dylan. Jeremy had three times as much money as Mike. How muc
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3 years ago
What's 52 times 86? Please Help!!!!
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3 years ago
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Julissa is thinking about getting her Master’s degree. She will give up making $28,000 a year for the 2 years it takes to comple
beks73 [17]

Answer:

1.5 years

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7 0
3 years ago
-5f-2+8-3k use f=7 and k=8
yaroslaw [1]
You have to plug in 7 for f and 8 for k making it look like -5(7)-2+8-3(8), now multiply to get the further more, -35-2+8-24, now add or subtract to get -53

Hope this helps
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3 years ago
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