Factorise: 36a³-84ab+49b²-25c³
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Answer:
10(p-29) 3+6(p-29) 2-20(p-29)
sol. (p-29) (3×10+6×2-20)
=(p-29) (30+12-20)
=(p-29) (42-20)
=(p-29) (22)
=22 ( p-29) ans
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