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asambeis [7]
3 years ago
5

Factor this equation 4-49w^2

Mathematics
1 answer:
OLEGan [10]3 years ago
8 0
4-49w^2=\ \ \ \ | use\ fromula\  (a^2-b^2)=(a-b)(a+b)\\\\
4-49w^2=(2^2-(7w)^2)=(2-7w)(2+7w)\\\\
after\ factorisation:
\ 4-49w^2=(2-7w)(2+7w)
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