document.write( "Question 31709: 2 – 3[-4 + 6] ÷ (-2)\r
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\n" ); document.write( "\n" ); document.write( "For f(x) = x3 + 2x2 – 5x + 8, find f(-1).\r
\n" ); document.write( "\n" ); document.write( "It has been YEARS since I've done algebra. Can you pleaseh help with these two questions. Thank you!
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Algebra.Com's Answer #18326 by mukhopadhyay(490)\"\" \"About 
You can put this solution on YOUR website!
2 – 3[-4 + 6] ÷ (-2)
\n" ); document.write( "= 2-3(2) ÷ (-2)
\n" ); document.write( "= 2-6/(-2)
\n" ); document.write( "= 2+3
\n" ); document.write( "= 5
\n" ); document.write( "....
\n" ); document.write( "f(x) = x3 + 2x2 – 5x + 8
\n" ); document.write( "f(-1) = (-1)^3 + 2(-1)^2 - 5(-1) + 8
\n" ); document.write( "=> f(-1) = -1 + 2 + 5 + 8
\n" ); document.write( "=> f(-1) = 14
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