Respuesta :
Answer:
[tex]\large \boxed{\sf 2x^2 + 3}[/tex]
Explanation:
[tex]\sf \Rightarrow (3x^2 + 2x + 4) -(x^2 + 2x + 1)[/tex]
open the parenthesis
[tex]\sf \Rightarrow 3x^2 + 2x + 4 -x^2 - 2x -1[/tex]
regroup variables
[tex]\sf \Rightarrow 3x^2 -x^2 + 2x - 2x+ 4 -1[/tex]
add/subtract variables
[tex]\sf \Rightarrow 2x^2 +3[/tex]
Answer:
answer is 2x^2 + 3
Step-by-step explanation:
3x^2 - x^2 is 2x^2
2x-2x is 0
4-1 is 3