SOLUTION: Solve the equation and sqrt( 8x ) + sqrt( 2x )- sqrt( x/8 ) =110.
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Question 987318
:
Solve the equation and sqrt( 8x ) + sqrt( 2x )- sqrt( x/8 ) =110.
Found 2 solutions by
ikleyn, MathTherapy
:
Answer by
ikleyn(52897)
(
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.
Your equation is
+
-
=
.
Notice that
=
=
,
=
, and
=
=
=
=
.
Hence, your equations takes the form
+
-
= 110, or
= 110,
Now, multiply both sides by 4 and then collect the common terms:
= 440,
= 440.
Hence,
=
=
=
=
.
Therefore, x = 400*2 = 800.
Answer
. x = 800.
Answer by
MathTherapy(10557)
(
Show Source
): You can
put this solution on YOUR website!
Solve the equation and sqrt( 8x ) + sqrt( 2x )- sqrt( x/8 ) =110.
------- Multiplying by LCD,
--------- Dividing both sides by 11
--------- Squaring both sides
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