1. One way to factor a trinomial such as x2-2x-3 is to assign a value such as 10 to and evaluate the expression. (5 pts) x-2x-3=102-2(10)-3 =100-20-3 =77 A factorization of 77 is 7 x 11. Since x = 10,7=(x-3) and 11=(x+1). Multiply to see if (x-3)(x+1)=x-2x-3.