Which expression is equivalent to (7+85-2r²) + (-42²-10+2)

asked Oct 18, 2022 92.7k views

20 votes

Which expression is
equivalent to
(7+85-2r²) + (-42²-10+2)

5.7k points

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13 votes

Answer:

-2 (r^2 + 840)

-2 (2 sqrt(210) - i r) (2 sqrt(210) + i r)

Explanation:

Jairon answered Oct 24, 2022

4.7k points

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