jocelynnjohnso90 jocelynnjohnso90

22-04-2021
Mathematics

contestada

Solve the following quadratic equation for all values of x
in simplest form.
(x+10)^2-8=8

Respuesta :

clarch19 clarch19

22-04-2021

Answer:

roots are at -14 and -6

Step-by-step explanation:

(x+10)² - 16 = 0

x² + 20x + 100 - 16 = 0

x² + 20x + 84 = 0

(x + 14)(x + 6) = 0

x = -14

x = -6

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