Find the GCF.
[tex]gcf = 4x[/tex]
Factor out the GCF.
[tex]4x( \frac{4 {x}^{2} }{4x} + \frac{ {4x} }{4x} )[/tex]
Simplify each term in parentheses.
[tex]4x(x + 1)[/tex]
Hence, the answer is 4x(x + 1).
Remove parentheses.
[tex] - x + 3[/tex]
Regroup terms.
[tex]3 - x[/tex]
Therefor, the answer is 3 - x.