Irrational Equations

Solve:

    \[6-\sqrt{x-5}=\sqrt{x+7}\]

Source: Mayor, J.R., & Wilcox, M.S. (1965). Contemporary Algebra (Second Course). Englewood Cliffs, NJ: Prentice-Hall. (Exercises, Question 3, p. 222)

Author: ascklee

Dr. Lee teaches at the Wee Kim Wee School of Communication and Information at the Nanyang Technological University in Singapore. He founded The Mathematics Digital Library in 2013.

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