document.write( "Question 174884: how do I find the value/values of z in the equation z^2-4z+4=0 \n" ); document.write( "
Algebra.Com's Answer #129953 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! how do I find the value/values of z in the equation z^2-4z+4=0 \n" ); document.write( "------------ \n" ); document.write( "z^2 - 4z + 4 = 0 \n" ); document.write( "Factor to get: \n" ); document.write( "(z-2)(z-2) = 0 \n" ); document.write( "Since the product is zero, one of the factors must be zero: \n" ); document.write( "z-2 = 0 \n" ); document.write( "Therefore z = 2 \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |