No 6)
Berarti :
3(2x+p)+120 = 2(3x+120)+p
6x + 3p + 120 = 6x + 240 + p
3p-p = 240-120
2p = 120
p = 60
No 8)
(x-2)² + 4(x-2) - 3 = 2
x²-4x+4 +4x -8 - 3 = 2
x² -7 = 2
x² = 9
x = -3 atau 3
Oke ??
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No 6)
Berarti :
3(2x+p)+120 = 2(3x+120)+p
6x + 3p + 120 = 6x + 240 + p
3p-p = 240-120
2p = 120
p = 60
No 8)
Berarti :
(x-2)² + 4(x-2) - 3 = 2
x²-4x+4 +4x -8 - 3 = 2
x² -7 = 2
x² = 9
x = -3 atau 3
Oke ??