Ditentukan A = 3,, B= -4,, dan C = 6 . nilai 3ab – 2bc adalah....
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Diketahui :- a = 3
- b = - 4
- c = 6
Ditanya : 3ab - 2bc = .....?
Penyelesaian :
3ab - 2bc
= 3(3)(- 4) - 2(- 4)(6)
= 9(- 4) - (- 8)(6)
= - 36 - (- 48)
= - 36 + 48
= 12
Maaf Kalau Salah
= -36 - (-48)
= - 36 + 48
= 12