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3x^2+5x-2=0 solve quadratic equation by factoring
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Nov 17, 2017
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3x^2+5x-2=0 solve quadratic equation by factoring
Mathematics
high-school
Grant Smith
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Grant Smith
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hmm
trial and error
factor
(3x-2)(x+1) nope
(3x+2)(x-1) nope
(3x-1)(x+2) yes
(3x-1)(x+2)=0
set them to zero
3x-1=0
3x=1
x=1/3
x+2=0
x=-2
x=-2 and 1/3
Pavpanchekha
answered
Nov 20, 2017
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Pavpanchekha
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