jawaban.:
h.)
(x²-x+1)^2x²+x-6=(x²-x+1)^x²-2x+2
(sama² dicoret yang x²-x+1),
2x²+x-6=x²-2x+2
2x²-x²+x+2x-6-2=0
x²+3x-8=0
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jawaban.:
h.)
(x²-x+1)^2x²+x-6=(x²-x+1)^x²-2x+2
(sama² dicoret yang x²-x+1),
2x²+x-6=x²-2x+2
2x²-x²+x+2x-6-2=0
x²+3x-8=0