rivera02michael rivera02michael

25-04-2022
Mathematics

contestada

NEED HELP ASAP

Solve this quadratic equation by completing the square.
x2 + 4x = 15
O A. X=-4 + 119
O B. *=-4 1/15
O c. x=-2119
O D. X=-27 15

NEED HELP ASAP Solve this quadratic equation by completing the square x2 4x 15 O A X4 119 O B 4 115 O c x2119 O D X27 15 class=

Respuesta :

thishigopal thishigopal

25-04-2022

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

Answer Link

yom69747 yom69747

25-04-2022

Answer:

The answer is D.

Step-by-step explanation:

(X+2)²=19

Answer Link

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