Math Equation Please Help!?

Solve: √2a−1=a−8Select one:a. a=13 b. a=−7 c. a=5,13 d. a=−5,−13 or:Solve: \u221a2a\u22121=a\u22128Select one:a. a

Solve: √2a−1=a−8
Select one:
a. a=13
b. a=−7
c. a=5,13
d. a=−5,−13

or:Solve: \u221a2a\u22121=a\u22128Select one:a. a=13 b. a=\u22127 c. a=5,13 d. a=\u22125,\u221213

or:Solve: \u221a(2)a \u2212 1 = a \u2212 8 No solutionSolve: \u221a(2a) \u2212 1 = a \u2212 8 No solutionSolve: \u221a(2a \u2212 1) = a \u2212 8We use parentheses to indicate what acts on what. If you don't present a problem correctly, people have to guess at what you are talking about. You can not stand a spelling mistake in math.

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