document.write( "Question 1183005: f(x) = 2x^3 + 11x^2 - 21x - 90. (10)
\n" ); document.write( "a. Use the rational zero test to list all possible rational zeros of f.
\n" ); document.write( "I found these to be x= 3,-5/2,-6
\n" ); document.write( "b. Write f as a product of linear factors algebraically. Show all your work
\n" ); document.write( "including synthetic division.
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Algebra.Com's Answer #813138 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "You correctly determined the roots.\r
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\n" ); document.write( "\n" ); document.write( "I have checked it by direct substitution and calculation.\r
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\n" ); document.write( "\n" ); document.write( "As soon as you know all the roots,  you can write the linear decomposition as \r
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\n" ); document.write( "\n" ); document.write( "             f(x) = 2*(x-3)*(x+5/2)*(x+6) = (x-3)*(2x+5)*(x+6).             ANSWER\r
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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