Respuesta :

6x - 3

First distribute 3 into the terms in parenthesis
4x + 6x - 3 - 4x

Combine like terms: 4x + 6x = 10x. 10x - 4x = 6x

6x - 3

This cannot be simplified any further without knowing the value of x, so 6x - 3 is your final answer.
I hope this helps :)
Their correct it is 6x-3 !!