Question

What is the difference of the polynomials?

Answer 1

`(m^(2) n^(2) -7)-(mn+4)`

`=m^(2) n^(2) -7-mn-4`

`m^(2) n^(2) -mn-11`

Option C is your answer

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Answer 2

(B) mn+3

Rule of algebra: *INTEGERS*

like sign➡ add

unlike sign➡ subtract

Explanation:

Because the m2n2 is got subtract by m and n that's why it bacames a constant mn.