Question

Factor y=x² + 4x + 3

Answer 1

Answer:

$y=(x+3)(x+1)$

Step-by-step explanation:

$y=x^2+4x+3$ <-- Given

$y=x^2+x+3x+3$ <-- Expand middle term

$y=x(x+1)+3(x+1)$ <-- Factor into two parts

$y=(x+3)(x+1)$ <-- Combine like terms