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OpenStudy (anonymous):
Solve showing steps: 2s-5(-3+4s)=-39
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OpenStudy (anonymous):
(-5*-3)+(-5*4s)???
OpenStudy (anonymous):
use the foil method.. http://images.tutorvista.com/cms/images/83/foil-calculator.PNG
OpenStudy (anonymous):
-6s+8s-20s+15=-39???
OpenStudy (imtiaz7):
6s+8s^2+15-20s= -39 8s^2-14s= -39-15 8s^2-14s= 54
OpenStudy (anonymous):
then simplify, @Imtiaz7 already did it.. I thought we are not allowed to post the answers..
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OpenStudy (imtiaz7):
@eLg try to solve this by factoriaztion
OpenStudy (anonymous):
anyone get s=3 ?????
OpenStudy (imtiaz7):
or it can be solved by quadratic formula
OpenStudy (anonymous):
|dw:1375502084270:dw|
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