Persamaan Kuadrat
(x + 2)(x + b) = x² + cx + 6
x² + bx + 2x + 2b = x² + cx + 6
x² + (b + 2)x + 2b = x² + cx + 6
2b = 6
b = 3
(b + 2) = c
3 + 2 = c
c = 5
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Persamaan Kuadrat
(x + 2)(x + b) = x² + cx + 6
x² + bx + 2x + 2b = x² + cx + 6
x² + (b + 2)x + 2b = x² + cx + 6
2b = 6
b = 3
(b + 2) = c
3 + 2 = c
c = 5
••••••••• 2b = 6
••••••••• b = 6/2
••••••• → b = 3
bx + 2x = cx
( b + 2)x = cx
c = b + 2
••••••••• c = 3 + 2
••••••• → c = 5