Mathematics: 3x^2+x^2=20 (3x squared+ x squared = 20)

3x^2+x^2=20 (3x squared+ x squared = 20) - id322203205448983, Bryson2148

kittyrainbowsli1

20.01.2022

x = ± $\sqrt{5}$

Step-by-step explanation:

Given

3x² + x² = 20, that is

4x² = 20 ( divide both sides by 4 )

x² = 5 ( take the square root of both sides )

x = ± $\sqrt{5}$

That is x = - $\sqrt{5}$ or x = $\sqrt{5}$ ← exact solutions

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yedida

20.01.2022

Step-by-step explanation:

hello :

Question

3x²+x²=20

4x² = 20

x² =5

x= √5 or x= - √5

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dbn4everloved8

18.07.2021

what

Step-by-step explanation:

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