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Mathematics 25 Online
OpenStudy (anonymous):

x^2+18x

jhonyy9 (jhonyy9):

like the first step factoriz out the x

jhonyy9 (jhonyy9):

so if you need to solve for x

OpenStudy (anonymous):

what number do i need to complete the square?

OpenStudy (anonymous):

You could only complete the square if the 18 didn't have an x so as @jhonyy9 said you must factor out the x first

jhonyy9 (jhonyy9):

ok if you ned just for being there a square complete ok hopw do you know formula (x+a)^2 = ?

jhonyy9 (jhonyy9):

need sorry

jhonyy9 (jhonyy9):

for square perfect you need to know formula of

OpenStudy (anonymous):

nvm i figuredout the answer i needd & it was 81

jhonyy9 (jhonyy9):

ok + or - 81 ? so than what will be the square perfect ? can you rewrite it here now ?

OpenStudy (anonymous):

actually the answer should be x= 0 or x= -18

jhonyy9 (jhonyy9):

ok (x+a)^2 =x^2 +2ax +a^2 after this can you ending your exersice now ?

jhonyy9 (jhonyy9):

how can you rewriting the 18 using 2 like a product of 2 by ?

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