Question

Descompuneti in factori :
a) $x^{2}$ + 5x + 6
b) $x^{2}$ + 7x + 10

Answer 1

a) = x²+2x+3x+6=x(x+2)+3(x+2)=(x+2)(x+3)

b)=x²+2x+5x+10=x(x+2)+5(x+2)=(x+2)(x+5)