Question

When a number is added to its multiple of 5 and its square, the sum of these three numbers is 91. Find the number.

Q: Answer-When a number is added to its multiple of 5 and its square, the sum of these three numbers is 91. Fi...

Let the number is x Given A number is added to its multiple of 5 and its square, the sum of these three numbers is 91. x 5x x 91 x 6x - 91 0 x 13x 7x - 91 0 xx 13 7x 13 0 x 13x - 7 0 So, x 13 0 and x - 7 0 x - 13 and x 7 There are two values of x -13, 7 But we take positive value. Hence, 7 is the correct answer.