Very quick help
Hi,
How would I complete the square of x^2 - 4root2 + 5 ? I know how to complete the square in general, but don't know how to do this one. Could someone provide a worked solution?
How would I complete the square of x^2 - 4root2 + 5 ? I know how to complete the square in general, but don't know how to do this one. Could someone provide a worked solution?
Original post by Alex-Torres
Hi,
How would I complete the square of x^2 - 4root2 + 5 ? I know how to complete the square in general, but don't know how to do this one. Could someone provide a worked solution?
How would I complete the square of x^2 - 4root2 + 5 ? I know how to complete the square in general, but don't know how to do this one. Could someone provide a worked solution?
Is that (4root2)*x?
Original post by Alex-Torres
Hi,
How would I complete the square of x^2 - 4root2 + 5 ? I know how to complete the square in general, but don't know how to do this one. Could someone provide a worked solution?
How would I complete the square of x^2 - 4root2 + 5 ? I know how to complete the square in general, but don't know how to do this one. Could someone provide a worked solution?
Is that supposed to be ? As it stands, this is already in 'completed square' form.
Original post by joostan
Is that (4root2)*x?
Yes, sorry!
Original post by Alex-Torres
Yes, sorry!
x2 + bx + c => (x + b/2)2 - (b/2)2 + c still holds true. It is the same process regardless of the surd. . .
Original post by Farhan.Hanif93
Is that supposed to be ? As it stands, this is already in 'completed square' form.
Eh?
Original post by Mr M
Eh?
By "this", I'm referring to the expression in the OP without the x term, if that clarifies what I meant? (admittedly, my wording was a little lazy).
Original post by Farhan.Hanif93
By "this", I'm referring to the expression in the OP without the x term, if that clarifies what I meant? (admittedly, my wording was a little lazy).
Oh I see.
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