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denis23 [38]
3 years ago
12

Simplify (7r) (-3r^4)

Mathematics
1 answer:
miv72 [106K]3 years ago
7 0

Answer:

-21 r^5

Step-by-step explanation:

(7r) (-3r^4)

Multiply the coefficients

7*(-3)

-21

Multiply the variables

r * r^4 = r^(4+1) = r^5

-21 r^5

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============================================================

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