document.write( "Question 85720: Given f(x) = 5x2 – 3x + 1, find f(–2) \n" ); document.write( "

Algebra.Com's Answer #61922 by jim_thompson5910(35256) $\"\"$ $\"About$

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$\"f%28x%29=5x%5E2-3x%2B1\"$ Start with the given equation\r
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\n" ); document.write( "\n" ); document.write( " $\"f%28-2%29=5%28-2%29%5E2-3%28-2%29%2B1\"$ Plug in x=-2\r
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\n" ); document.write( "\n" ); document.write( " $\"f%28-2%29=5%284%29-3%28-2%29%2B1\"$ Square -2\r
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\n" ); document.write( "\n" ); document.write( " $\"f%28-2%29=20%2B6%2B1\"$ Multiply\r
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\n" ); document.write( "\n" ); document.write( " $\"f%28-2%29=27\"$ Combine like terms \n" ); document.write( "

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