If x + y = 27 and x2 + y2 = 425, then what will be the value of (x - y)2?

If three consecutive natural numbers are such that five times the smallest number is 19 more than four times the largest number, find the average of those three numbers.

Find the value of m for which it satisfies: (218)12 × (821)14 × (218)14 = (821)9m + 20

If √1 + 29196 = 1 + x14, then find the value of x.

If 2x1 + 11 + x1 − x = 1, then find the value of x.

An equation containing only polynomial terms is called an: