-15k³+7m-3+8k³-4m+10​

-15k³+7m-3+8k³-4m+10​

Answer:

-3ktothepower³-4m+10

Answer:

[tex]\boxed{-7k^3+3m+7}[/tex]

Step by step explanation:

Add the numbers:

[tex]-15k^3+7m-3+8k^3-4m+10\\\\-15k^3+7m+7+8k^3-4m[/tex]

Combine like terms:

[tex]-15k^3+7m+7+8k^3-4m\\\\-7k^3+7m+7-4m[/tex]

Combine like terms:

[tex]-7k^3+7m+7-4m\\\\-7k^3+3m+7[/tex]

Therefore, the correct answer is -7k^3+3m+7.

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