document.write( "Question 255413: Solve the following equation by using the quadratic formula: p^2+8p+16=0 \n" ); document.write( "

Algebra.Com's Answer #187661 by checkley77(12844) $\"\"$ $\"About$

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p^2+8p+16=0
\n" ); document.write( " $\"p+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "p=(-8+-sqrt[8^2-4*1*16])/2*1
\n" ); document.write( "p=(-8+-sqrt[64-64])/2
\n" ); document.write( "p=(-8+-sqrt0)/2
\n" ); document.write( "p=(-8+-0)/2
\n" ); document.write( "p=-8/2
\n" ); document.write( "p=-4 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "4^2-8*4+16=0
\n" ); document.write( "16-32+16=0
\n" ); document.write( "32-32=0
\n" ); document.write( "0=0
\n" ); document.write( " \n" ); document.write( "

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