1. (2 points) Factor the following expression: x2 +x - 2 2. (2 points) Explain how the factors from the expression above compare to the original polynomial.a] Delete your previous expressions and enter the following expression illustrated to the right: +- -- e \"i! y: {x+a}l{x+b] bl When asked if you would like to make a, b or all sliders choose all. -.. a=1 c} (2 points] Click on the points for "a\" and "b\" and slide the values. How do the values for "a" and \"h\" compare with the points where the graph crossed the xaxis