Question

X2 + 8x + 15 what is the factored form

Answer 1

Answer:

$x {}^{2} + 8x + 15$

$\implies \: x {}^{2} + 3x + 5x + 15$

$\implies \: x(x + 3) + 5(x + 3)$

$\implies \: (x + 5)( + 3)$

Answer 2

Answer:

${x}^{2} + 8x + 15 \\ {x}^{2} + 5x + 3x + 15 \\ x(x + 5) + 3(x + 5) \\ = (x + 3)(x + 5)$