Practice problem
Simplify the following expression. x+5x2+25x+100\dfrac{x+5}{x^2+25x+100}x2+25x+100x+5
1x+20\frac{1}{x+20}x+201
x+20x+20x+20
1x+5\frac{1}{x+5}x+51
x+5x+5x+5
Type a concept, like “slope” or “photosynthesis”.
