Números enteros:
x,.y
x > 1
x • y = - 48
y = - 48/x......(1)
x - y = 16
x = 16 + y.....(2)
(1) en (2):
x = 16 + (-48/x)
x • x = x • 16 - x(48/x)
x^2 = 16x - 48
x^2 - 16x + 48 = 0
(x - 12)(x - 4) = 0
x - 12 = 0
x = 12
x1 = 12
x - 4 = 0
x = 4
x2 = 4
y1 = - 48/x1
y1= - 48/12
y1 = - 4
y2 = - 48/x2
y 2= - 48/4
y2 = - 12
CS ={ (12, - 4), (4, - 12)}