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Alena Weber
Mathematics
27 October, 19:23
What does 2x^2-5=11+x^2 equal?
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Simone Scott
27 October, 19:47
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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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