Question

Sum of two numbers is 15 and product is 56 then find the numbers.​

Answer 1

Answer:

hope it help you

Step-by-step explanation:

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Answer 2

Answer:

numbers are 7 and 8

Step-by-step explanation:

let x&y be the two number

x+y = 15

x = 15-y.........1

xy = 56

(15-y) (y) = 56

15y-y² = 56

=> y² - 15y + 56 = 0

=> y² - (8+7)y+56=0

=> y² - 8x -7y + 56 = 0

=> y(y-8) -7(y-8) = 0

=> (y-8)(y-7) = 0

either (y-8)=0 .....or...... (y-7) = 0

either y = 8 ........or........ y = 7

x = 15-y

when y = 8 , x = 7

when y = 7 , x = 8