document.write( "Question 790891: solve each equation by completing the square b^2 -12b +45 = 10 \n" ); document.write( "
Algebra.Com's Answer #479310 by waynest(281)\"\" \"About 
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b^2 - 12b + 45 = 10
\n" ); document.write( "b^2 - 12b + 45 - 10 = 10 - 10
\n" ); document.write( "b^2 - 12b + 35 = 0
\n" ); document.write( "b^2 - 12b + (12/2)^2 - (12/2)^2 + 35 = 0
\n" ); document.write( "b^2 - 12b + 36 - 36 + 35 = 0
\n" ); document.write( "(b - 6)^2 - 1 = 0
\n" ); document.write( "(b - 6)^2 = 1
\n" ); document.write( "sqrt(b - 6)^2 = +-sqrt1
\n" ); document.write( "b - 6 = +- 1
\n" ); document.write( "b - 6 + 6 = 6 +- 1
\n" ); document.write( "b = 6+ 1
\n" ); document.write( "b = 7\r
\n" ); document.write( "\n" ); document.write( "b = 6 - 1
\n" ); document.write( "b = 5
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