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how do you solve this equation \sqrt{9-b}=\sqrt{1-9b}
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square both sides
i tried dont get it
What do you get?
80
9-b = 1-9b is what you should get after you square it
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yeah i dont get it sorry
what is sqrt(5) * sqrt(5) ?
25
\[\sqrt{x^2} = (\sqrt{x})^2 = x\]
whats that
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