Simplify the expression 4n2−36n2+5n+6\frac{4n^2 - 36}{n^2 + 5n + 6}n2+5n+64n2−36 assuming n≠−3,−2n \neq -3, -2n=−3,−2.
4(n−3)n+2\frac{4(n-3)}{n+2}n+24(n−3)
4(n+3)n−2\frac{4(n+3)}{n-2}n−24(n+3)
n−3n+2\frac{n-3}{n+2}n+2n−3
4(n−3)4(n-3)4(n−3)