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hammer [34]
3 years ago
8

I can't solve this equation pleas help!x^2+2x+8=0

Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0
x^2+2x+8=0\\
x^2+2x+1+7=0\\
(x+1)^2=-7\\
x+1=-\sqrt{-7} \vee x+1=\sqrt{-7}\\
x=-1-\sqrt7 i \vee x=-1+\sqrt7 i
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Step-by-step explanation:

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4 0
2 years ago
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Nezavi [6.7K]
<h3>4 people do 10 hours and one person does 20 hours</h3>

<em><u>Solution:</u></em>

Given that,

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6 0
3 years ago
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