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Mathematics 17 Online
OpenStudy (anonymous):

HELP!!! I need help. Medals as a reward! How would you factor 9x^2-4x+15

OpenStudy (p0sitr0n):

(3x)^2 - 2 (3x) (2/3) + 4/9 - 4/9 + 15 (3x-2/3)^2-4/9+15

OpenStudy (p0sitr0n):

completion of the square it is called

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