Question

factorize : x^2 + 8x + 15

Answer 1

Answer:

By splitting the middle term,

x² + 8x + 15

= x² + 5x + 3x + 15

= x(x+5)+3(x+5)

= (x+3)(x+5)

Answer 2

Step-by-step explanation:

$x {}^{2} + 8x + 15 = \\ x {}^{2} + 3x + 5x + 15 = \ \\ x (x + </u></strong><strong><u>3</u></strong><strong><u>) + 5(x + 5) = \\ (x + </u></strong><strong><u>3</u></strong><strong><u>)(x + 5)$