document.write( "Question 281281: If x=-1, and y=3
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document.write( "what is the value of the expression 3x(to the third) - 2xy
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document.write( "I keep getting:
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document.write( "3(-1)to the third) -2(-1)(3)
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document.write( "=-27- -6= -21
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document.write( "The answer isn\"t right
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document.write( " The choices for answers are: -9 , -3 , 3, 9, 21
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document.write( "they say the answer is 9... How? \n" );
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Algebra.Com's Answer #204361 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 3x^3-2xy \n" ); document.write( "3*(-1)^3-2*(-1)*(3) \n" ); document.write( "-3+6=3 \n" ); document.write( "Either the answer 9 is wrong or you didn't copy the problem correctly \n" ); document.write( " \n" ); document.write( " |