18-iyul kuni uchun masalaning yechimi

Masala. n⁵+n+1  ko’phadni ko’paytuvchilarga ajrating.

Yechilishi:  Masalani yechish uchun  berilgan ifodaga qo’shib va ayirib qo’yish kerak bo’lgan hadlarni toppish kerak:  n⁵+n+1=n⁵-n²+n² +n+1= n²(n³-1)+(n²+n+1) =n²(n-1)( n²+n+1)+( n²+n+1)=( n²+n+1)(n³-n²+1)