Question

Factornize x² + 4x +3​

Answer 1

Step-by-step explanation:

${x}^{2} + 4x + 3$

${x}^{2} + 3x + x + 3$

$x(x + 3) + 1(x + 3)$

$(x + 3)(x + 1)$

Answer 2

Answer:

$(x + 3)(x + 1)$

Step-by-step explanation:

${x}^{2} + 4x + 3$

$= {x}^{2} + (3 + 1)x + 3$

$= {x}^{2} + 3x + x + 3$

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

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