Question

Ada yang bisa bantu nggak?..sebisa kalian aja..

Answer 1

X^2 + y^2 = 17
x^2 + (x+3)^2 = 17
x^2 + x^2 + 6x + 9 = 17
2(x^2) + 6x - 8 = 0
x^2 + 3x - 4 = 0
(x + 4) (x - 1) = 0
x = - 4 atau x = 1
y = -1         y = 4