aperfectangel12986 aperfectangel12986

02-04-2020
Mathematics

contestada

slove 3x2-8=40 algebraically

Respuesta :

instaoceanclash instaoceanclash

02-04-2020

Answer: x= -4, 4

Step-by-step explanation:

3x^2 - 8 = 40 add 8 to both sides

3x^2 = 48 divide both sides by 3

x^2 = 48/3 = 16 square root both sides

x = +/- 4

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