y square + 6 Y - 166 is equals to zero middle term split
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the roots are 10.22 and -16.22.
the middle term can be split as Y ^2 + 16.22 Y - 10.22 Y -166 = 0
alake:
by multiplying 10.22×16.22 we are not getting 166
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y^2+(16.23 - 10.23)y - 166=0
or, y^2 + 16.23y - 10.23y - 166=0
or, y(y+16.23) - 10.23(y+16.23)=0
or, (y+16.23) (y-10.23)=0
therefore y= -16.23 and y= 10.23
or, y^2 + 16.23y - 10.23y - 166=0
or, y(y+16.23) - 10.23(y+16.23)=0
or, (y+16.23) (y-10.23)=0
therefore y= -16.23 and y= 10.23
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