The sum of two numbers is 9 and the sum of their squares is 41 . Taking one number as x, form an equation in x and solve it to find the numbers .

Five times a certain whole number is equal to three less than twice the square of the number. Find the number.

There are three consecutive positive integers such that the sum of the square of the first and the product of the other two is 154. What are the integers ?

The difference of the squares of two numbers is 45. The square of the smaller number is 4 times the larger number. Determine the numbers.