3xsquare+7x+4=0 factors of quadratic equation
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3xsquare+7x+4=0
a=3, b=7, c=4
D=b square-4ac
=7*7-4*3*4
=49-48
=1
x= -b+-√D/2a
x= -7+1/6
=-1
x=-7-1/6
x= -8/6
x= -4/3
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