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OpenStudy (anonymous):
x^2 +18x +? Complete the square
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OpenStudy (anonymous):
is it 81?
OpenStudy (anonymous):
How did you get that?
OpenStudy (shamil98):
take the coefficient of b and divide it by 2 and then square it to get your value for c.
OpenStudy (shamil98):
18/2 = 9 9^2 = 81 x^2 + 18 + 81 = 0 is (x+9)^2
OpenStudy (anonymous):
Thank you so much that helped a lot!
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OpenStudy (anonymous):
awesome i wasnt sure if i did it right. thanks shamil
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