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OpenStudy (anonymous):
solve the quadratic equation? 3x^2+2x=0?
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hartnn (hartnn):
0,-2/3.....need explanation?
OpenStudy (anonymous):
yess @hartnn show work!!
OpenStudy (anonymous):
Factor out x from that equation, x (3x+2) =0. So the factors are the places where the expression becomes zero.Can you guess it?
hartnn (hartnn):
x*(3x+2)=0 so x=0 and 3x+2=0....so x=0,x=-2/3
OpenStudy (anonymous):
you do notice thart that was a 3x^2 right??
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OpenStudy (anonymous):
Yes of course. x*(3x+2) = 3x^2+2x .
OpenStudy (anonymous):
so the answer is x=0 x=-2/3
OpenStudy (anonymous):
Yes thats right.
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