document.write( "Question 630041: Please help me solve:
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document.write( "(2t-5)^2=24
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document.write( "I know I have to use the quadratic formula, but I can't figure it out. \n" );
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Algebra.Com's Answer #396647 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Please help me solve: \n" ); document.write( "(2t-5)^2=24 \n" ); document.write( "--- \n" ); document.write( "4t^2 - 20t + 25 = 24 \n" ); document.write( "--- \n" ); document.write( "4t^2 - 20t + 1 = 0 \n" ); document.write( "t = [20 +- sqrt(400 - 4*4*1)/(8) \n" ); document.write( "--- \n" ); document.write( "t = [20 +- sqrt(384)]/8 \n" ); document.write( "--- \n" ); document.write( "t = [20 +- 19.6]/8 \n" ); document.write( "--- \n" ); document.write( "t = 39.6/8 or t = 0.4/8 \n" ); document.write( "--------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |