document.write( "Question 1015745: A line passing through the distinct points (2a+4,3a^2) and (3a+4,5a^2) has slope a+3. Find the value of a. \n" ); document.write( "
Algebra.Com's Answer #632112 by FrankM(1040)\"\" \"About 
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\"m=%28y2-y1%29%2F%28x2-x1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"a%2B3=%28%285a%5E2%29-%283a%5E2%29%29%2F%28%283a%2B4%29-%282a%2B4%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"a%2B3=%28%282a%5E2%29%29%2F%28%28a%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "cross multiply \r
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\n" ); document.write( "\n" ); document.write( "\"a%5E2%2B3a=%28%282a%5E2%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"3a=%28%28a%5E2%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"a=3\"\r
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