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i dont think this is correct but solve for x, i will draw out my problem and work.
 one year ago
 one year ago
i dont think this is correct but solve for x, i will draw out my problem and work.
 one year ago
 one year ago

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bridgetolivaresBest ResponseYou've already chosen the best response.0
dw:1335728748154:dw
 one year ago

nbouscalBest ResponseYou've already chosen the best response.0
What is the original problem? \(4\sqrt{x+9}=20\)?
 one year ago

nbouscalBest ResponseYou've already chosen the best response.0
Okay. You can't add 4, because it's \(4\sqrt{x+9}\), not \(4+\sqrt{x+9}\). You can divide, though, which will give you \(\sqrt{x+9}=5\), then square both sides to get \(x+9=25\), so \(x=16\).
 one year ago

bridgetolivaresBest ResponseYou've already chosen the best response.0
ahh i see. thank you.
 one year ago
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