document.write( "Question 565872: 3(x-5)2=21 \n" ); document.write( "

Algebra.Com's Answer #365989 by ad_alta(240) $\"\"$ $\"About$

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1) 3(x-5)^2=21
\n" ); document.write( "2) 3x^2-30x+75=21
\n" ); document.write( "3) 3x^2-30x+54=0 [use the quadratic formula]
\n" ); document.write( "4) x=5 {+/-} sqrt(7) \n" ); document.write( "

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