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Mathematics 7 Online
OpenStudy (anonymous):

x^2 - 14x what number would complete that square?

OpenStudy (lgbasallote):

hint: divide -14 by 2 and then square the quotient

OpenStudy (anonymous):

49?

OpenStudy (lgbasallote):

yes

OpenStudy (anonymous):

thank you so much, can you help with one more?

OpenStudy (lgbasallote):

sure

OpenStudy (anonymous):

20x^2 + 17x - 10 = 0 find the real solutions

OpenStudy (lgbasallote):

use completing the square or quadratic formula

OpenStudy (anonymous):

what is the easier formula?

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