document.write( "Question 320461: Help please. I understand how to get the answers from quadratic equations. My problem is writing a quadratic equation from the solutions: 3+4i, 3-4i. This has me stumped. \n" ); document.write( "
Algebra.Com's Answer #229498 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! My problem is writing a quadratic equation from the solutions: 3+4i, 3-4i. \n" ); document.write( ": \n" ); document.write( "x = 3 +/- 4i \n" ); document.write( "subtract 3 from both sides \n" ); document.write( "x - 3 = +/- 4i \n" ); document.write( "Square both sided \n" ); document.write( "(x - 3)^2 = 16i^2 \n" ); document.write( "FOIL \n" ); document.write( "x^2 - 3x - 3x + 9 = 16(-1) \n" ); document.write( ": \n" ); document.write( "x^2 - 6x + 9 = -16 \n" ); document.write( ": \n" ); document.write( "x^2 - 6x + 9 + 16 = 0 \n" ); document.write( ": \n" ); document.write( "x^2 - 6x + 25 = 0; is the equation \n" ); document.write( " |