hmartinkovich14 hmartinkovich14

13-05-2021
Mathematics

contestada

what number must i add to complete the square x^2+8x=-3

Respuesta :

mlillianna21 mlillianna21

13-05-2021

Answer:

16

Step-by-step explanation:

(b/2)^2

(8/2)^2 = (4)^2 = 16

(x^2+8x+16) = -3+16

(x+4)^2 = 13

so on so forth, but basically you add 16 which completes the square

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