Complete the square on:

Complete the square on:
x^2 - 8x
and
x^2 + 4k

Thanks

Quote:

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Originally Posted by icesta1

Complete the square on:
x^2 - 8x
and
x^2 + 4k

Thanks

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You have to add and subtract the square of half of your coefficient of .


So

.



is already complete as the coefficient of is .