document.write( "Question 697552: what is the equation that has zeros at 4 and 2+5i \n" ); document.write( "
Algebra.Com's Answer #430166 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! what is the equation that has zeros at 4 and 2+5i \n" ); document.write( ". \n" ); document.write( "Based on the zeros, factors must be: \n" ); document.write( "(x-4)(x+2+5i)(x+2-5i) \n" ); document.write( "just multiply the above together to get your equation: \n" ); document.write( "(x-4)(x(x+2-5i)+2(x+2-5i)+5i(x+2-5i)) \n" ); document.write( "(x-4)(x^2+2x-5xi+2x+4-10i+5xi+10i-25) \n" ); document.write( "(x-4)(x^2+4x-5xi+4-10i+5xi+10i-25) \n" ); document.write( "(x-4)(x^2+4x+4-10i+10i-25) \n" ); document.write( "(x-4)(x^2+4x+4-25) \n" ); document.write( "(x-4)(x^2+4x-21) \n" ); document.write( "x^2(x-4)+4x(x-4)-21(x-4) \n" ); document.write( "x^3-4x^2+4x^2-16x-21x+84 \n" ); document.write( "x^3-16x-21x+84 \n" ); document.write( "x^3-37x+84\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |