document.write( "Question 644934: 3x to the 4th power -5 when x is 5 \n" ); document.write( "

Algebra.Com's Answer #405327 by jim_thompson5910(35256) $\"\"$ $\"About$

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3x^4 - 5
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\n" ); document.write( "\n" ); document.write( "3(5)^4 - 5 ... Plug in x = 5
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\n" ); document.write( "\n" ); document.write( "3(625) - 5
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\n" ); document.write( "\n" ); document.write( "1875 - 5
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\n" ); document.write( "\n" ); document.write( "1870
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\n" ); document.write( "So 3x^4 - 5 = 1870 when x = 5\r
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