express x^2 - 5x + 1/4 in the form (x-a)^2 - b
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sorry im confuseddd :s i needed the answer in the form (x-a)^2 - b.
Now you have both 'a' and 'b'. Practice with that.
"a" and "b" are both constants, they have no 'x'. When you multiply out you get This means So you've got the value of 'a' now. Use this value of 'a' to find 'b'.
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