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Mathematics 10 Online
OpenStudy (anonymous):

Factor completely (0.25y^2-0.0009)

OpenStudy (amistre64):

its a diff of squares

OpenStudy (amistre64):

(.5y -.03)(.5y +.03)

OpenStudy (anonymous):

wow I got something totally different much longer number....lol...

OpenStudy (amistre64):

.... you just have to be able to recognize what a difference of squares looks like. (a^2 -z^2) factors to (a+z)(a-z)

OpenStudy (anonymous):

\[0.25 y^2-0.0009=\frac{(50 y-3) (50 y+3)}{10000} \]

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