Peri When asked to find zeros of a polynomial, find exaet zeros whenever possible and approximate t the other zeros. Find all the rational zeros of the polynomial. 1. x3-x2-3x + 3 2. 3r +8r-x-20 ã«1 3 4.2x-3x-7x-6 6.25 12 12 3 Find all real zeros of the polynomials. SAW! 7.3x2r-x+2x 8. x+3x-4x-11x-3x+2 9. x+8x+20x+9x-27x-27