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Mathematics
12 November, 06:07
How do you solve x to the second power + 7x=O
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Corey Roberts
12 November, 06:14
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Well the answer is 0 because if anything = 0 then it has to be multiplied by 0 so x = 0
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Layne Harrington
12 November, 06:33
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X^2+7x=0
use the square root something ...
(7/2) ^2=49/4 (add it to both sides)
x^2+7x+49/4=49/4
(x+7/2) ^2=49/4
x+7/2=posinega 7/2
x=0 or x=-7
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