Multiply and simplify: fracx2+3x+2x2−1cdotfracx−1x+2\\frac{x^2 + 3x + 2}{x^2 - 1} \\cdot \\frac{x - 1}{x + 2}fracx2+3x+2x2−1cdotfracx−1x+2 (assume xneqpm1,−2x \\neq \\pm 1, -2xneqpm1,−2).
111
x+1x + 1x+1
x−1x - 1x−1
x+2x + 2x+2