madiebgirl20 madiebgirl20

01-09-2020
Mathematics

contestada

2(x^2-7)+8=40 just answer pls

Respuesta :

jconner4 jconner4

01-09-2020

Answer:

x = +- sqrt 23

Step-by-step explanation:

positive and negative square root of 23.

Answer Link

njosepho njosepho

01-09-2020

Answer:

x=√ 23 and x=-√ 23

Step-by-step explanation:

2(x^2-7)+8=40

2x^2-6=40

2x^2=46

x^2=23

x=√ 23

x=-√23

Answer Link

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