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Mathematics 7 Online
OpenStudy (anonymous):

Factor completely 100x2 - 49

OpenStudy (anonymous):

100x2 - 49 (10x)^2 - 7^2 .....and we know that a^2 - b^2 = (a + b)(a - b) So (10x + 7)(10x - 7)

OpenStudy (anonymous):

ohh ok thank you

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