document.write( "Question 95816: -4(x+2)squared=-20 \n" ); document.write( "
Algebra.Com's Answer #69838 by checkley71(8403)\"\" \"About 
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-4(X+2)^2=-20
\n" ); document.write( "-4(X^2+4X+4)=-20
\n" ); document.write( "4X^2+16X-16+20=0
\n" ); document.write( "4X^2+16X+4=0
\n" ); document.write( "4(X^2+4+1)=0
\n" ); document.write( "USING THE QUADRATIC EQUATION WE GET:\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "X=(-4+-SQRT[4^2-4*1*1])/2*1
\n" ); document.write( "X=(-4+-SQRT[16-4])/2
\n" ); document.write( "X=(-4+-SQRT12/2
\n" ); document.write( "X=(-4+-3.464)/2
\n" ); document.write( "X=(-4+3.464)/2
\n" ); document.write( "X=-.5359/2
\n" ); document.write( "X=-.268 ANSWER.
\n" ); document.write( "X=(-4-3.464)/2
\n" ); document.write( "X=-7.464/2
\n" ); document.write( "X=-3.732 ANSWER.\r
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