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## Answers

The Brainliest Answer!

**THE SUM: m3-mn2+m2n-n3+m2-n2**

**SOLUTION:**

**Arranging the terms, =m3-m2n+m2-n3-mn2-n2**

**Taking m2 common from the first three terms and n2 common from the rest three terms,**

**=m2(m-n+1) + n2(m-n+1)**

**Taking (m-n+1) common,**

**We get,**

**= (m-n+1)(m2+n2)**