Question

The sum of two numbers is '18' and their product is '56'. find the number.
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Answer 1

Answer:

14 and 4

Step-by-step explanation:

The sum of 14 and 4 equals to 18 (14+4=18)

& The product of 14 and 4 is 56. (14×4=56)

Answer 2

Let the two numbers be x and y

x + y=18

x=18-y -(i)

x × y=56

18-y × y=56 (using(i))

18y-y^2=56

y^2-18y+56=0

y^2-14y-4y+56=0

y(y-14)-4(y-14)=0

(y-14)(y-4)=0

if y-14=0 | y-4=0

then y=14 | y=4

So,y=14 because it is initial

Substituting y=14 in eqn.(i)

x=18-14

x=4