bmanadkinson bmanadkinson 09-03-2021 Mathematics contestada Which of the following is equivalent to the expression shown? 5x^4+13x^2-6x+x^2-7 a 32x^9 b 5x^4+13x^2-13x+x^2 c5x^4+13x^2-5x-7 d 5x^4+14x^2-6x-7