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04-05-2020
Mathematics

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What does 2x^2-5=11+x^2 equal?

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tantalic4444 tantalic4444

04-05-2020

Answer:

x1= -4 x2=4

Step-by-step explanation:

2x^2-5=11+x^2

2x^2-x^2=11+5

x^2=16

x=+-4

so its x= -4 x=4

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