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Mathematics 8 Online
OpenStudy (anonymous):

49t6 - 4k8 (7t³ + 2k4)(7t³ - 2k4) *** (7t³ - 2k4)(7t³ - 2k4) (7t³ + 2k4)(7t³ + 2k4)

OpenStudy (anonymous):

49t^6 - 4k^8 (7t^3)^2 - (2k^4)^2 (7t^3 +2k^4) (7t^3-2k^4)

OpenStudy (anonymous):

so I was right

OpenStudy (anonymous):

Just use a^2-b^2 = (a+b)(a-b)

OpenStudy (anonymous):

yep

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