Question

Сократи дробь x+3/x^2+16x+39

Ответ: x+3/x^2+16x+39=

Answer 1

x+3/x^2+16x+39=(x+3)/(x+3)(x+13)=1/(x+13)
----------------------
D=16²-4*39=256-156=10²
x₁₂=(-16+-10)/2=-13  -3