document.write( "Question 331356: please help solve: x^2+3x=4 and 4x^2-3x=-6
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document.write( "... i do not know how to start off these problems..
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document.write( "help please, it is a school assignment. \n" );
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Algebra.Com's Answer #237491 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x^2+3x=4 \n" ); document.write( "x^2+3x-4=0 \n" ); document.write( "(x+4)(x-1)=0 \n" ); document.write( "x+4=0 \n" ); document.write( "x=-4 ans. \n" ); document.write( "x-1=0 \n" ); document.write( "x=1 ans. \n" ); document.write( "------------------ \n" ); document.write( "4x^2-3x=-6 \n" ); document.write( "4x^2-3x+6=0 \n" ); document.write( " \n" ); document.write( "X=(3+-SQRT[-3^2-4*4*6])/2*4 \n" ); document.write( "X=(3+-SQRT[9-96])/8 \n" ); document.write( "X=(3+-SQRT-87)/8 \n" ); document.write( "X=(3+-9.327i)/8 \n" ); document.write( "X=3/8+-9.327i/8 \n" ); document.write( "X=.375+-1.166i \n" ); document.write( " |