document.write( "Question 631031: Another Quadtic Formula: Solve by FACTORING......\r
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document.write( "problem: 2a^^2 + 1= -3a\r
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document.write( "Now I worked it out But I don't know if it is right:\r
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document.write( "The variable is P\r
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document.write( "p= sq/rt-p-1 - sw/rt \n" );
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Algebra.Com's Answer #397286 by 303795(602)![]() ![]() ![]() You can put this solution on YOUR website! Rearrange to get one side equal to zero. \n" ); document.write( "2a^2 + 1= -3a \n" ); document.write( "Add 3a to each side \n" ); document.write( "2a^2 + 1 + 3a = -3a + 3a \n" ); document.write( "2a^2 + 3a + 1 = 0 \n" ); document.write( "Factorise the equation to get \n" ); document.write( "(2a + 1)(a + 1) = 0 \n" ); document.write( "So either (2a + 1) = 0 or (a + 1) = 0 \n" ); document.write( "Case 1 \n" ); document.write( "2a + 1 = 0 \n" ); document.write( "2a = -1 \n" ); document.write( "a = -1/2 \n" ); document.write( "Case 2 \n" ); document.write( "a + 1 = 0 \n" ); document.write( "a = -1 \n" ); document.write( "So a is either -1 or -0.5 \n" ); document.write( "I have no idea what the P part of your problem has to do with this solution. \n" ); document.write( " |