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Mathematics 11 Online
OpenStudy (anonymous):

can someone help me completely factor 16a^2-25b^2?

OpenStudy (anonymous):

its a difference of 2 squares. Yo want to use the formula: \[a^2-b^2 = (a+b)(a-b)\]

OpenStudy (anonymous):

(4a-5b)(4a+5b) :D

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