document.write( "Question 709801: Could someone please help me solve this equation?\r
\n" ); document.write( "\n" ); document.write( " $\"+sqrt%28x%29+-+sqrt%28x-45%29+=+3+\"$ \r
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Algebra.Com's Answer #436781 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+sqrt%28x%29+-+sqrt%28x-45%29+=+3+\"$ .....square both sides\r
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\n" ); document.write( "\n" ); document.write( " $\"+%28sqrt%28x%29+-+sqrt%28x-45%29%29%5E2+=+3%5E2+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+%28sqrt%28x%29%29%5E2+-+2sqrt%28x%29%2Asqrt%28x-45%29%2B%28sqrt%28x-45%29%29%5E2+=+9+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+x+-+2sqrt%28x%29%2Asqrt%28x-45%29%2B%28x-45%29+=+9+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+x+-+2sqrt%28x%28x-45%29%29%2Bx-45+=+9+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+2x+-+2sqrt%28x%28x-45%29%29+=+9%2B45+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"++-+2sqrt%28x%28x-45%29%29+=-2x%2B54+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"++sqrt%28x%28x-45%29%29+=-2x%2F-2%2B54%2F-2+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"++sqrt%28x%28x-45%29%29+=x-27+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"++%28sqrt%28x%28x-45%29%29%29%5E2+=%28x-27%29%5E2+\"$ ...........square both sides\r
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\n" ); document.write( "\n" ); document.write( " $\"++x%28x-45%29+=x%5E2-54x%2B729+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"++x%5E2-45x+=x%5E2-54x%2B729+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"++cross%28x%5E2%29-45x+=cross%28x%5E2%29-54x%2B729+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"++-45x+=-54x%2B729+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"++-45x%2B54x+=729+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+9x+=729+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+x+=729%2F8+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+highlight%28x+=81%29+\"$ \r
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\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( " $\"+sqrt%28x%29+-+sqrt%28x-45%29+=+3+\"$ ....plug in $\"+highlight%28x+=81%29+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+sqrt%2881%29+-+sqrt%2881-45%29+=+3+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+9+-+sqrt%2836%29+=+3+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+9+-+6+=+3+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+3+=+3+\"$
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