document.write( "Question 214672: whats x2+4x+4=0 \n" ); document.write( "

Algebra.Com's Answer #162104 by Earlsdon(6294) $\"\"$ $\"About$

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Solve:
\n" ); document.write( " $\"x%5E2%2B4x%2B4+=+0\"$ Factor the trinomial.
\n" ); document.write( " $\"%28x%2B2%29%28x%2B2%29+=+0\"$
\n" ); document.write( " $\"x%2B2+=+0\"$ or $\"x%2B2+=+0\"$ so...
\n" ); document.write( " $\"x+=+-2\"$ or $\"x+=+-2\"$
\n" ); document.write( "This is called a \"double root\"
\n" ); document.write( " $\"graph%28400%2C400%2C-5%2C5%2C-5%2C5%2Cx%5E2%2B4x%2B4%29\"$ \n" ); document.write( "

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