Question

Find the limit of the function algebraically. limit as x approaches -10 of (x^2-100)/(x+10)

Answer 1

`\displaystyle\lim_(x\to-10)(x^2-100)/(x+10)=\lim_(x\to-10)((x+10)(x-10))/(x+10)=\lim_(x\to-10)(x-10)=-20`