document.write( "Question 937678: Please help. Solve for x. The square root of 2x+7 plus x=4. thanks for your help. \n" ); document.write( "
Algebra.Com's Answer #571070 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
\"sqrt%282x%2B7%29+%2B+x=4\"\r
\n" ); document.write( "\n" ); document.write( "\"sqrt%282x%2B7%29=4-x\" ........square both sides\r
\n" ); document.write( "\n" ); document.write( "\"%28sqrt%282x%2B7%29%29%5E2=%284-x%29%5E2\" \r
\n" ); document.write( "\n" ); document.write( "\"2x%2B7=4%5E2-8x%2Bx%5E2\" \r
\n" ); document.write( "\n" ); document.write( "\"2x%2B7=16-8x%2Bx%5E2\" \r
\n" ); document.write( "\n" ); document.write( "\"0=16-8x-2x-7%2Bx%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-10x%2B9=0\" ....factor completely, write \"-10x\" as \"-x-9x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-x-9x%2B9=0\" ...group\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-x%29-%289x-9%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%28x-1%29-9%28x-1%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-9%29%28x-1%29=0\"\r
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\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"%28x-9%29=0\"=> \"highlight%28x=9%29\"\r
\n" ); document.write( "\n" ); document.write( "if \"%28x-1%29=0\"=> \"highlight%28x=1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+15%2C+-15%2C+15%2C+x%5E2-10x%2B9%29+\"\r
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