document.write( "Question 576092: Square root of x +56=x \n" ); document.write( "
Algebra.Com's Answer #369720 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I presume you mean\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(next time use parentheses so that your function arguments are unambiguous, in this example: sqrt(x + 56) = x makes it clear what you meant)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Square both sides:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Put the quadratic in standard form:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve the factorable quadratic, but this will yield one valid and one extraneous root. Check both solutions in the original equation and discard any roots that yield a false statement.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |