Respuesta :

Question: Factor: 4x2 + 4x

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).

Question: Expand: -(x - 3)

Remove parentheses.

[tex] - x + 3[/tex]

Regroup terms.

[tex]3 - x[/tex]

Therefor, the answer is 3 - x.