document.write( "Question 1121286: For what value of k is 49x^2-36x+k a perfect square \n" ); document.write( "
Algebra.Com's Answer #737105 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
\"49x%5E2-36x%2Bk\"
\n" ); document.write( "\"%287x-b%29%5E2\"
\n" ); document.write( "\"49x%5E2-14bx%2Bb%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"14b=36\"
\n" ); document.write( "\"b=36%2F14\"
\n" ); document.write( "\"b=18%2F7\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"k=b%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"k=%2818%5E2%29%2F%287%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight_green%28k=324%2F49%29\"
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