SOLUTION: {{{ sqrt (b)-6=-2* sqrt(b) }}}
solve each radical equation.
Please help
Algebra.Com
Question 712446:
solve each radical equation.
Please help
Found 2 solutions by josgarithmetic, josmiceli:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Square both sides and simplify. Square again both sides and simplify again.
The situation you were given is based on having summable irrational numbers, so you can't simply bring them together as factors.
b-12*sqrt(b)+36=4*b
Using general solution to quadratic formula, to avoid looking for factoring the trinomial, b=4 or b=36; but you should test to see if both of these will work in the original equation.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add to each side
then add to both sides
Square both sides
---------
check:
OK
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