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b = -10
c = 16
D = b² -4ac
= (-10)² -4(1)(16)
= 100 -64
= 36
2. a = 3
b = -6
c = -12
D = b² -4ac
= (-6)² -4(3)(-12)
= 36 +144
= 180
Itu jawabannya.
a. a=1, b=-10, c=16
(-10)^2-4.1.16
=100-64=36
b. a=3 b=-6 c=-12
(-6)^2-4.3.(-12)
=36+144
=180