Jika a = 3 x + 2, B = -2x-5 ,c= 4 X-3 Tentukan nilai dari 4b-3C
Matematika
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Pertanyaan
Jika a = 3 x + 2, B = -2x-5 ,c= 4 X-3 Tentukan nilai dari 4b-3C
2 Jawaban
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1. Jawaban newwiguna
4b - 3c = 4(-2x-5) - 3(4x-3)
= -8x - 20 -12x + 9
= -8x - 12x - 20 + 9
= -20x - 11 -
2. Jawaban BeetSha
a = 3x + 2
b = -2x - 5
c = 4x - 3
4b - 3c
= 4(-2x - 5) - 3(4x - 3)
= -8x - 20 - (12x - 9)
= -8x - 20 - 12x + 9
= -8x - 12x - 20 + 9
= -20x - 11
= -(20x + 11)