No 6,8,10 tlg jawab secepatnya. tks (gak boleh ngasal!!!)
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(3-y)(2y-1)
y=3, y=½
HP: {½, 3} [A]
8.
(3x²+21x+36)
(x²+7x+12)
(x+3)(x+4)
x=-3, x=-4
HP: {-4, -3} [B]
9.
1/(2x-1) - 1/(2x) = 1/6
2x-(2x-1) / 4x²-2x = 1/6
1 / 4x²-2x = 1/6
4x²-2x-6 = 0
2x²-x-3
(2x-3)(x+1)
x=3/2, x=-1
HP: {-1, 3/2} [A]