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3^2(x²+2x-5) = 3^-1(3x-5)
3 kita coret maka hasilnya
2(x²+2x-5) = -1(3x-5)
2x²+4x-10 = -3x+5
2x²+4x-10+3x-5 = 0
2x²+7x-15 = 0
(2x-3)(x+5)
2x-3 = 0
2x = 3
x = 3/2
x+5 = 0
x = -5
Ket: ^ adalah pangkat