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OpenStudy (anonymous):
Factor completely: 49x^2-25
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OpenStudy (anonymous):
(7x-5)(7x+5)
OpenStudy (anonymous):
Difference of squares: 49x^2 - 25 = (7x +5) (7x-5)
OpenStudy (anonymous):
It is the difference of two squares. 49x^2 = (7x)^2 25 = 5^2 It can therefore be factorised as: (7x - 5)(7x + 5).
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