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 #571069 by TimothyLamb(4379)\"\" \"About 
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sqrt(2x+7)+ x = 4
\n" ); document.write( "sqrt(2x+7) = -x + 4
\n" ); document.write( "( sqrt(2x+7) )^2 = (-x + 4)^2
\n" ); document.write( "2x + 7 = xx - 8x + 16
\n" ); document.write( "xx - 10x + 9 = 0
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\n" ); document.write( "the above quadratic equation is in standard form, with a=1, b=-10 and c=9
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\n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this:
\n" ); document.write( "1 -10 9
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\n" ); document.write( "the quadratic has two real roots at:
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\n" ); document.write( "x = 9
\n" ); document.write( "x = 1
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\n" ); document.write( "answer:
\n" ); document.write( "both values of x are valid solutions to the problem ...
\n" ); document.write( "x = 9
\n" ); document.write( "x = 1
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