polynomial with leading coefficient 1 and degree 3 that has -1, 1, and 3 as roots. 0 solutions [x-(-1)](x-1)(x-3) Remove the parentheses and change brackets to parentheses (x+1)(x-1)(x-3) (x+1)(x²-4x+3) Multiply x by each of the three terms inside the parentheses Then multiply +1 by each of the three terms in the parentheses x³-4x²+3x+x²-4x+3 Swap the two middle two terms to get like terms together x³-4x²+x²+3x-4x+3 Combine the like terms which are next to each other x³-3x²-x+3 Edwin