Find two consecutive even natural numbers such that the sum of their squares is 340.

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.

If the product of two consecutive even integers is 224 , find the integers.