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How to do this lowest common denominator question?

0 votes

lcd

asked Apr 16, 2013 in ALGEBRA 1 by chrisgirl Apprentice

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3 Answers

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$fraction numerator x over denominator 3 x open parentheses x plus 3 close parentheses end fraction minus fraction numerator open parentheses x minus 1 close parentheses over denominator 4 x to the power of 2 open parentheses x plus 3 close parentheses to the power of 2 end fraction$

$fraction numerator 4 x open parentheses x plus 3 close parentheses minus 3 open parentheses x minus 1 close parentheses over denominator 12 x to the power of 2 open parentheses x plus 3 close parentheses to the power of 2 end fraction$

$fraction numerator 4 x to the power of 2 plus 12 x minus 3 x plus 3 over denominator 12 x to the power of 2 open parentheses x plus 3 close parentheses to the power of 2 end fraction$

$fraction numerator 4 x to the power of 2 plus 9 x plus 3 over denominator 12 x to the power of 2 open parentheses x plus 3 close parentheses to the power of 2 end fraction$

c is the right choice.

answered Apr 16, 2013 by diane Scholar

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0 votes

$fraction numerator x over denominator 3 x open parentheses x plus 3 close parentheses end fraction minus fraction numerator open parentheses x minus 1 close parentheses over denominator 4 x to the power of 2 open parentheses x plus 3 close parentheses to the power of 2 end fraction$

$fraction numerator 4 x open parentheses x plus 3 close parentheses minus 3 open parentheses x minus 1 close parentheses over denominator 12 x to the power of 2 open parentheses x plus 3 close parentheses to the power of 2 end fraction$

$fraction numerator 4 x to the power of 2 plus 12 x minus 3 x plus 3 over denominator 12 x to the power of 2 open parentheses x plus 3 close parentheses to the power of 2 end fraction$

$fraction numerator 4 x to the power of 2 plus 9 x plus 3 over denominator 12 x to the power of 2 open parentheses x plus 3 close parentheses to the power of 2 end fraction$

The least common denominator =12x²(x + 3)²

c is the right choice.

answered Apr 17, 2013 by diane Scholar

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0 votes

The expression is

Common denominator of is

Option C is right choice.

answered Jul 7, 2014 by david Expert

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