Mathematics: Solve u2 =81 , where u is a real number show steps

Solve u2 =81 , where u is a real number show steps

Ответ:

akkira02

17.03.2022

Hey there! $\bold{u^2=81}$ Take your SQUARE ROOT $\bold{New\ equation: x\pm \sqrt{81}}\\ \\ \bold{\sqrt{81}=9}\\ \\ \bold{-\sqrt{-81}=-9}\\ \\ \\ \\ \boxed{\boxed{\bold{ x=-9\ or\ x =9}}}\huge\checkmark$ Good luck on your assignment and enjoy your day!~ $\frak{LoveYourselfFirst:)}$

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Ответ:

kmchippps

27.05.2022

Mathematics

the other person is incorrect. your answer is -9. I just got it right.

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Solve u2 =81 , where u is a real number show steps

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