Question

descompuneti in factori :X la a2 +8x+15

Answer 1

x²+8x+15=x²+3x+5x+15=x(x+3)+5(x+3)=(x+3)(x+5)

Answer 2

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