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jawabannya B
perhatikan + - nya
= 3x^{2} - 6x - 5x + 10
= 3x^{2} - 11x + 10
Jawaban : B. 3x^{2} - 11x + 10
( 3x kuadrat - 11x + 10 )
Cara : ( 3x . x ) , ( 3x . -2 ), ( -5 . x ) , ( -5 . -2 )
= 3x kuadrat - 6x - 5x + 10
= 3x - 11x + 10