SOLUTION: Could someone please help me solve this equation?
{{{ sqrt(x) - sqrt(x-45) = 3 }}}
Thank you for your help!!
Algebra.Com
Question 709801: Could someone please help me solve this equation?
Thank you for your help!!
Found 2 solutions by stanbon, MathLover1:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
sqrt(x) - sqrt(x-45) = 3
----
Square both sides to get:
----
x - 2sqrt(x^2-45x) + x-45 = 9
---
Simplify:
2sqrt(x^2-45x) = 54-2x
----
sqrt(x^2-45x) = 27-x
----
Square both sides:
x^2-45x = 729-54x+x^2
----
9x = 729
x = 81
=============
Cheers,
Stan H.
==============
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
.....square both sides
...........square both sides
check:
....plug in
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