Answer
no solution
Work Step by Step
$3-\sqrt {4a+1} = 12$
$3-\sqrt {4a+1}-12+\sqrt {4a+1} = 12-12+\sqrt {4a+1}$
$-9 = \sqrt {4a+1}$ (no solution--square root of a number isn't negative)
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 10 - Radical Expressions and Equations - 10-4 Solving Radical Equations - Practice and Problem-Solving Exercises - Page 624: 48
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