Jawabanmu

2014-08-21T21:14:43+07:00
A.) f(x) + g(x) = (x²+x) + (x²-5x+1) = 2x² - 4x + 1
b.) f(x) - g(x) = (x²+x) - (x²-5x+1) = 6x - 1
c.) f(x).g(x) = (x²+x)(x²-5x+1) =  x^{4} -4 x^{3} -4 x^{2} +x

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