Respuesta :

thishigopal

Step-by-step explanation:

to solve quadratic equation when the roots are not rational

x = -b+-√(b^2-4*a*c)/ 2a

here a = 1

b = 4

c = -15

(-4+-√16+65)/2

-4+-√81/2

(-4+-9)/2

x = -13/2, 5/2

yom69747

Answer:

The answer is D.

Step-by-step explanation:

(X+2)²=19