Question

Factor x2+4x+3.

O A. (x-3)(x+1)
O B. (x-3)(x-1)
O C. (x+3)(x+1)
O D. (x+3)(x-1)
QUICKKKKKKKK!!!!

Answer 1

c. (x +3)(x + 1)

Explanation:

Factoring an equation is a way of expressing an equation as the product of other linear expressions. The following expression,

`x^2 +4x +3`

Can be represented as the product of the following,

`(x+3)(x+1)`

To check this, one can distribute, one of the expressions over the other, then simplify, the result should be the starting expression,

`(x+3)(x+1)\\`

Distribute,

`(x)(x)+(1)(x)+(3)(x)+(3)(1)`

Simplify,

`x^2 +x +3x + 3\\`

`x^2 +4x +3`