Question

find a number such that if 5,15,35 are added to it,the product of the first and third results may be equal to the square of the second​

Answer 1

Answer:

Let the number be x.

According to the given condition:

» (x + 5) (x + 35) = (x + 15)²

» x² + 40x + 175 = x² + 30x + 225

» 10x = 50

» x = 5

Therefore, the required number is 5.