document.write( "Question 503491: what is the solution to (x-1) (X-2)=30 \n" ); document.write( "
Algebra.Com's Answer #339260 by Maths68(1474)\"\" \"About 
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(x-1) (x-2)=30
\n" ); document.write( "x^2-2x-x+2=30
\n" ); document.write( "x^2-3x+2=30
\n" ); document.write( "x^2-3x+2-30=0
\n" ); document.write( "x^2-3x-28=0
\n" ); document.write( "x^2-7x+4x-28=0
\n" ); document.write( "x(x-7)+4(x-7)=0
\n" ); document.write( "(x-7)(x+4)=0
\n" ); document.write( "(x-7)=0 or (x+4)=0
\n" ); document.write( "x-7=0 or x+4=0
\n" ); document.write( "x=7 or x=-4\r
\n" ); document.write( "\n" ); document.write( "Check x=7
\n" ); document.write( "(x-1) (x-2)=30
\n" ); document.write( "(7-1)(7-2)=30
\n" ); document.write( "(6)(5)=30
\n" ); document.write( "30-30\r
\n" ); document.write( "\n" ); document.write( "x=-4
\n" ); document.write( "(x-1)(x-2)=30
\n" ); document.write( "(-4-1)(-4-2)=30
\n" ); document.write( "(-5)(-6)=30
\n" ); document.write( "30=30\r
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