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Verified answer
Ini ya jawabannya......Verified answer
Ax² + 6x + 1 = x - 1ax² + 6x - x + 1 + 1 = 0
ax² + 5x + 2 = 0
(x,y) = (2,1)
a(2)² + 5(2) + 2 = 0
4a + 10 + 2 = 0
4a + 12 = 0
4a = -12
a = -3
-3x² + 5x + 2 = 0
---------------------- × -1
3x² - 5x - 2 = 0
(3x + 1)(x - 2) = 0
x = -1/3 dan x = 2
y = x - 1
y = -1/3 - 1
y = -1/3 - 3/3
y = -4/3
titik potong yg lain (-1/3 , -4/3)