Sederhanakan hasil kali dar a.4(3a+2) b.(x+3)(×-2) c.(2x-1)(×+2y-3)
Matematika
evelyn02072005
Pertanyaan
Sederhanakan hasil kali dar a.4(3a+2) b.(x+3)(×-2) c.(2x-1)(×+2y-3)
1 Jawaban
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1. Jawaban sarisandrina
a.4(3a+2)
= 12a+8
b.(x+3)(x-2)
= x²-2x+3x-6
= x²+x-6
c.(2x-1)(x+2y-3)
= 2x²+4xy-6x-x-2y+3
=2x²+4xy-7x-2y+3