document.write( "Question 560224: 6z + 1 + 4x^2 - 3y^3 + 7x - 8y^2 + 2x^2 - x + 5z – 17 and evaluate it for x = -2, y = -3, z = -5 identify variables, constants and coefficients \n" ); document.write( "
Algebra.Com's Answer #363773 by Maths68(1474)\"\" \"About 
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=\"6z%2B1%2B4x%5E2-3y%5E3%2B7x-8y%5E2%2B2x%5E2-x%2B5z-17\"
\n" ); document.write( "Combine like terms
\n" ); document.write( "=\"4x%5E2%2B2x%5E2-3y%5E3-8y%5E2%2B7x-x%2B6z%2B5z-17%2B1\"
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\n" ); document.write( "\n" ); document.write( "Variables are x,y,z
\n" ); document.write( "constant is -16
\n" ); document.write( "Coefficients are 6,-3, -8, 6, and 11\r
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\n" ); document.write( "\n" ); document.write( "Evaluate
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\n" ); document.write( "=\"6x%5E2-3y%5E3-8y%5E2%2B6x%2B11z-16\"
\n" ); document.write( "Put x= -2, y=-3 and z=-5
\n" ); document.write( "=\"6%28-2%29%5E2-3%28-3%29%5E3-8%28-3%29%5E2%2B6%28-2%29%2B11%28-5%29-16\"
\n" ); document.write( "=\"6%284%29-3%28-27%29-8%289%29-12-55-16\"
\n" ); document.write( "=\"24%2B81-72-12-55-16\"
\n" ); document.write( "=\"105-155\"
\n" ); document.write( "=\"-50\"
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