Posted by Theresa on Sunday, January 27, 2013 at 10:43am.
open d bracket
-2x-1/2
turn it int an eqn by equating to zero
-2x-1/2=0
make x subject of formula
-2x=1/2
divide thru by -2
x=0.5/-2
x=0.25
hope its clearer
Thank you soo much. I understand now. Have a wonderful weekend.
Theresa
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