Robert J. answered • 07/12/13
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Certified High School AP Calculus and Physics Teacher
(lg 5)^2 + lg2 lg50
= lg 5 * lg 5 + lg 2 (lg 5 + 1), since lg 50 = lg 5 + lg 10 = lg 5 + 1
= lg 5 (lg 5 + lg 2) + lg 2, regrouping
= lg 5 + lg 2, since lg 5 + lg 2 = lg 10 = 1
= lg 10
= 1
Robert J.
lg 5 * lg 5 + lg 2 (lg 5 + 1)
= lg 5 * lg 5 + lg 2 * lg 5 + lg 2
= lg 5 (lg 5 + lg 2) + lg 2
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07/12/13
What I.
How to factorize lg 5 * lg 5 + lg 2 (lg 5 + 1) into lg 5 (lg 5 + lg 2)?
07/12/13