Question

xy=6
x+y=

Answer 1

X^3y^2=72
(xy)(xy)x=72
6.6.x=72
x=72:36
x=2
x^3y^2=72
2^3y^2=72
8.y^2=72
y=akar kuadrat 9
y=3
x+y=5
dicek ulang ya. semoga membantu:)