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vovikov84 [41]
3 years ago
10

Simplify 3r (r - 10s) - 4r (7s + 2r)

Mathematics
2 answers:
aleksandrvk [35]3 years ago
5 0

HI!

Multiply the 3r to r and -10s

3r^2 - 30rs - 4r(7s+2r)

now multiply -4r to 7s and 2r

3r^2 - 30rs - 28rs - 8r^2

Now combine like terms

3-8 = -5

-30 - 28 = -58

-5r^2 - 58rs

Hope this helps!

Andrew [12]3 years ago
5 0

3r (r - 10s) - 4r (7s + 2r)

expand by using distributive property


3r^2 - 30rs - 28rs - 8r^2

combine like terms

-5r^2 - 58rs


Answer

-5r^2 - 58rs

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Hi There!

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Baseball Bats:

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With Taxes:

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Answer:

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