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For all integers a and b, if 5|(a + b), then 5|(a - b).

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter5: Factoring Polynomials

Section5.7: Factoring Pattern For X2+bx+c, C Positive

Problem 4OE

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Discrete Math

Proof by cases

Simply state if this statement is true if it's true.

If this statement is false, disprove it by cases.

For all integers a and b, if 5|(a + b), then 5|(a − b).

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