xsleepyclownsx xsleepyclownsx 24-10-2022 Mathematics contestada Given the polynomial f(x)=x⁴+3x³-3x²-x, which of the following is true?a) (x+1) is a factor since f(-1)=0.b) (x-1) is a factor since f(-1)=0.c) (x+1) is a factor since f(1)=0.d) (x-1) is a factor since f(1)=0.