document.write( "Question 1199682: ALGEBRAIC FRACTIONS
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document.write( "6-a-a^2 division a^2-4 is = -3+a division a+2
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document.write( " This is how I worked it out: \r
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document.write( "numerator :(-3-a)(-2+a) factored\r
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document.write( "denominator : (a-2)(a+2) factored \r
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document.write( "(-3-a)(-2+a) division (a-2)(a+2)
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document.write( "(-2+a) is the same as (a-2) which would cancel with (a+2)
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document.write( "so what is left is :
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document.write( "(-3-a) division (a-2) , as you can see the terms are the same as the answer except the signs in front of them . Why are the signs different ? Does it have to do with when I cancelled (a-2) with (a+2) ?\r
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Algebra.Com's Answer #833651 by ikleyn(52803)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "ALGEBRAIC FRACTIONS \n" ); document.write( "6-a-a^2 division a^2-4 is = -3+a division a+2 \n" ); document.write( " This is how I worked it out: \r \n" ); document.write( "\n" ); document.write( "numerator :(-3-a)(-2+a) factored\r \n" ); document.write( "\n" ); document.write( "denominator : (a-2)(a+2) factored \r \n" ); document.write( "\n" ); document.write( "(-3-a)(-2+a) division (a-2)(a+2) \n" ); document.write( "(-2+a) is the same as (a-2) which would cancel with (a+2) \n" ); document.write( "so what is left is : \n" ); document.write( "(-3-a) division (a-2) , as you can see the terms are the same as the answer except the signs in front of them . \n" ); document.write( "Why are the signs different ? Does it have to do with when I cancelled (a-2) with (a+2) ? \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In your post, you write (in the 7-th line from the top)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \" (-2+a) is the same as (a-2) which would cancel with (a+2) \". \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " Surely, it is not so: \r \n" ); document.write( "\n" ); document.write( "it is a rude mistake (actually, even TWO mistakes in one row) \n" ); document.write( "that lead you to WRONG ANSWER.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |