Subtract: 2x2 - 4x - 3 from x2 - 5x - 8.

Pls super important solve the botton one

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Multiply. write your answer in simplest form. 3/8 x 5/7