SOLUTION: Solve {{{8 sqr4z^2 - 43 = 40}}}. Justify each step in your solution. 4z^2 -43 are all under the square. The eight and forty are not.

Algebra ->  Radicals -> SOLUTION: Solve {{{8 sqr4z^2 - 43 = 40}}}. Justify each step in your solution. 4z^2 -43 are all under the square. The eight and forty are not.      Log On