document.write( "Question 998465: Find all zeros of the trinomial. k(x)=6x^2+x-40\r
\n" ); document.write( "\n" ); document.write( "A. x=-5/2 or 8/3.
\n" ); document.write( "B. x=-5/3 or x=8/2.
\n" ); document.write( "C. x=5/3 or x=-4.
\n" ); document.write( "D. x=5/2 or x=-8/3.\r
\n" ); document.write( "\n" ); document.write( "help please thanks.
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Algebra.Com's Answer #616220 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
\"k%28x%29=6x%5E2%2Bx-40\".....factor completely; write \"x\" as \"16x-15x\"\r
\n" ); document.write( "\n" ); document.write( "\"k%28x%29=6x%5E2%2B16x-15x-40\"......group\r
\n" ); document.write( "\n" ); document.write( "\"k%28x%29=%286x%5E2%2B16x%29-%2815x%2B40%29\"\r
\n" ); document.write( "\n" ); document.write( "\"k%28x%29=2x%283x%2B8%29-5%283x%2B8%29\"\r
\n" ); document.write( "\n" ); document.write( "\"k%28x%29=%282x-5%29%283x%2B8%29\"\r
\n" ); document.write( "\n" ); document.write( "roots:\r
\n" ); document.write( "\n" ); document.write( "if \"0=%282x-5%29\"=>\"2x=5\"=>\"x=5%2F2\"
\n" ); document.write( "if \"0=0%283x%2B8%29\"=>\"3x=-8\"=>\"x=-8%2F3\"\r
\n" ); document.write( "\n" ); document.write( "so, your answer is\r
\n" ); document.write( "\n" ); document.write( "D. \"x=5%2F2\" or \"x=-8%2F3\"\r
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