Question

Find two numbers whose sum is 15 and product is 56

Answer 1

Answer:

8 and 7

Step-by-step explanation:

8 +7 =15

8x7 =56

Answer 2

Answer:

Two numbers are 7 and 8

Step-by-step explanation:

let the numbers be a and b

ATQ,

we have

a + b = 15

ab = 56

using above equation and forming the quadratic equation , we have

a(15-a) = 56

15a - a2 = 56

a2 - 15a +56 = 0

solving it , we get

a = 7,8

b= 8,7