document.write( "Question 69041: Directions: Add or subtract as indicated. Express your result in simplest form.\r
\n" ); document.write( "\n" ); document.write( "Problem# 54\r
\n" ); document.write( "\n" ); document.write( "(2)/(5w+10) - (3)/(2w-4)\r
\n" ); document.write( "\n" ); document.write( "Problem #58\r
\n" ); document.write( "\n" ); document.write( "(3)/(x^2+4x+3)- (1)/(x^2-9)\r
\n" ); document.write( "\n" ); document.write( "Problem#62\r
\n" ); document.write( "\n" ); document.write( "(4y)/(y^2+6y+5) + (2y)/(y^2-1)
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Algebra.Com's Answer #49126 by ganit(6)\"\" \"About 
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Problem# 54
\n" ); document.write( "(2)/(5w+10) - (3)/(2w-4)
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\n" ); document.write( " 2/(5w + 10) - 3 / (2w-4)
\n" ); document.write( " now the LCM of the denominator will be: (5w+ 10) x (2w - 4)
\n" ); document.write( " = 5w x 2w + 5w x (-4) + 10w -40
\n" ); document.write( " = 10w^2 + 20w -10w-40
\n" ); document.write( "get similar terms together = 10 w^2 +10w - 40\r
\n" ); document.write( "\n" ); document.write( "The expression will be [ 2 x (2w-4) - 3 x (5w+10) ]/(10w^2 +10 w - 40)
\n" ); document.write( " =( 4w- 8 -15w -30)/10(w^2 +w - 4)\r
\n" ); document.write( "\n" ); document.write( " =(-11w -38)/10(w^2+w-4)
\n" ); document.write( " = (11w+38) /10(4-w-w^2)\r
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