document.write( "Question 1008300: Solve\r
\n" ); document.write( "\n" ); document.write( "sqrt 2x + 15 = x + 6 \n" ); document.write( "

Algebra.Com's Answer #624037 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " $\"sqrt%28+2x+%2B+15%29+=+x+%2B+6\"$ ...square both sides\r
\n" ); document.write( "\n" ); document.write( " $\"%28sqrt%28+2x+%2B+15%29%29%5E2+=+%28x+%2B+6%29%5E2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+2x+%2B+15+=+x%5E2+%2B+12x%2B36\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+0+=+x%5E2+%2B+12x%2B36-2x-15\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x%5E2+%2B+10x%2B21=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x%5E2+%2B+3x%2B7x%2B21=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+%28x%5E2+%2B+3x%29%2B%287x%2B21%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x%28x+%2B+3%29%2B7%28x%2B3%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+%28x%2B3%29%28x%2B7%29+=+0\"$ \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if $\"+%28x%2B3%29+=+0\"$ => $\"x=-3\"$
\n" ); document.write( "if $\"+%28x%2B7%29+=+0\"$ => $\"x=-7\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+25%2C+x%5E2+%2B+10x%2B21%29+\"$ \r
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