Question

what should be added to m² +2mn+n² to obtain 5mn+n² ? please solution ​

Answer 1

Step-by-step explanation:

Let X shoud be added to m²+2mn+n² to obtain 5mn+n²

=>m² +2mn+n² +X=5mn+n²

=>X=(5mn+n²)-(m²+2mn+n²)

=>X=5mn+n²-m²-2mn-n²

=>X=(5mn-2mn)+(n²-n²)-m²

=>X=3mn+0-m²

=>X=3mn-m²

The required expression is 3mn-m²

Answer 2

Answer:

3mn-m^2 is the answer for your question