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Sphinxa [80]
3 years ago
9

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

Mathematics
1 answer:
Andrej [43]3 years ago
7 0
<h2>Hey there! </h2><h2>\bold{u^2=81}</h2><h3>Take your SQUARE ROOT</h3><h3>\bold{New\ equation: x\pm \sqrt{81}}\\ \\ \bold{\sqrt{81}=9}\\ \\ \bold{-\sqrt{-81}=-9}\\ \\ \\ \\ \boxed{\boxed{\bold{Answer: x=-9\ or\ x =9}}}\huge\checkmark</h3><h3>Good luck on your assignment and enjoy your day!</h3><h3>~\frak{LoveYourselfFirst:)} </h3><h2 />
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