document.write( "Question 167898: I need to solve for x.
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document.write( "4x(x-2)-5x(x-1)=2
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document.write( "I have already taken the steps to make the problem
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document.write( "4x^2-8x-5x^2-5x=2, but that is all I have. I have been trying by \"substitution\", but have not found the answer. Please help me solve for x.
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document.write( "Thank you,
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document.write( "Rachel \n" );
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Algebra.Com's Answer #123748 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 4x(x-2)-5x(x-1)=2 \n" ); document.write( "4X^2-8X-5X^2+5X-2=0 \n" ); document.write( "-X^2-3X-2=0 \n" ); document.write( "X^2+3X+2=0 \n" ); document.write( "(X+2)(X+1)=0 \n" ); document.write( "X+2=0 \n" ); document.write( "X=-2 ANS. \n" ); document.write( "X+1=0 \n" ); document.write( "X=-1 ANS. \n" ); document.write( "PROOFS: \n" ); document.write( "4*-2(-2-2)-5*-2(-2-1)=2 \n" ); document.write( "-8*-4+10*-3=2 \n" ); document.write( "32-30=2 \n" ); document.write( "2=2 \n" ); document.write( "4*-1(-1-2)-5*-1(-1-1)=2 \n" ); document.write( "-4*-3+5*-2=2 \n" ); document.write( "12-10=2 \n" ); document.write( " \n" ); document.write( " |