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Mathematics 13 Online
OpenStudy (ethan01):

Factor 9y 2 - 12y + 4

OpenStudy (rayep12):

So what do you think it is?

OpenStudy (ethan01):

one of these (2a + 5)(2a + 5) (2a - 5)(2a - 5) (2a - 5)(2a + 5)

TheSmartOne (thesmartone):

which two numbers multiply to 36 and add to -12?

OpenStudy (ethan01):

idk

TheSmartOne (thesmartone):

fine, we can use a different method: \(\Large \sf a^2 - 2ab + b^2 = (a-b)^2\)

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