plshelpmeh plshelpmeh

28-11-2016
Mathematics

Answered

3x^2+5x-2=0 solve quadratic equation by factoring

Verified Answer :

apologiabiology apologiabiology

28-11-2016

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

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