Question

how to solve X+Y=13 and XY=36​

Answer 1

Answer:

Step-by-step explanation:

X= 36/y

Put value of X in equation

36/y +y = 13

36 + y^2 =13y

Y^2 - 13 y + 36=0

Y^2 - 9y -4y + 36=0

Y(Y-9) -4(Y-9)=0

Y=9,Y=4

X =36/9=4,X=36/4=9