document.write( "Question 687646: f(x)=2x^2-5x+2
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Algebra.Com's Answer #425256 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " $\"f%28x%29=2x%5E2-5x%2B2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f%28k-1%29=2%28k-1%29%5E2-5%28k-1%29%2B2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f%28k-1%29=2%28k%5E2-2k%2B1%29-5k%2B5%2B2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f%28k-1%29=2k%5E2-4k%2B2-5k%2B5%2B2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f%28k-1%29=2k%5E2-9k%2B9\"$ .....replace $\"-9k\"$ with $\"-3k-6k\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f%28k-1%29=2k%5E2-3k-6k%2B9\"$ .....group\r
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\n" ); document.write( "\n" ); document.write( " $\"f%28k-1%29=%282k%5E2-3k%29-%286k-9%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f%28k-1%29=k%282k-3%29-3%282k-3%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f%28k-1%29=%28k-3%29%282k-3%29\"$ \r
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