Question

Adding and subtracting rational expression

What is the sun if the rational expressions

2x+3/3X + x/x+1
A. 2x^2+3
3x^2+3x

B. 3x+3
4x+1

C. 5x^2+5x+3
3x^2+3x

D. 3x^2+2x+4
4x+1

Answer 1

C

Explanation:

Use cross multiplication method to find the answer:

`(2x+3)/(3x) +(x)/(x+1) = ((2x^2+5x+3) + (3x^2))/(2x^2+3x) = (5x^2+5x+3)/(3x^2+3x)`