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Mathematics 21 Online
OpenStudy (anonymous):

u^2+16u+ complete the sqaure

OpenStudy (poofypenguin):

the final term can be found by dividing 16 by 2 and then squaring it. So the final term will be 64.

OpenStudy (anonymous):

thank you!

OpenStudy (poofypenguin):

your welcome! :D

OpenStudy (anonymous):

i dont understand this w^2-18w+ complete the sqaure

OpenStudy (poofypenguin):

Use the same method. You take the middle term in this case -18w and you divide the coefficient by 2 and then square it. So the final term will be (-18/2)^2 = 81

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