moderncityvid moderncityvid

11-02-2017
Mathematics

Answered

If X2=100

Then X2-X=?

Verified Answer :

dbruce0407 dbruce0407

11-02-2017

x^2=100 (set problem up)
\(\sqrt{x^2}\)= \sqrt{100} (solve for x)
x=10
\(10^{2}\)-10=90 (plug in x and solve)

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MichelleLiddell MichelleLiddell

11-02-2017

Divide both sides by 2 to find for X.
X=50.
So 100-50=50.

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