document.write( "Question 82350: how do you solve this equation by completing the sqaure?\"x%5E2%2B6x-40=0\" \n" ); document.write( "
Algebra.Com's Answer #58991 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
solve this equation by completing the sqaure:
\n" ); document.write( "x^2+6x-40=0
\n" ); document.write( "x^2+6x+9-40-9=0
\n" ); document.write( "(x+3)^2=49
\n" ); document.write( "x+3 = 7 or x+3 = -7
\n" ); document.write( "x=4 or x=-10
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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