document.write( "Question 877641: Please help me solve this problem: sqrt (29-x)= x+1 \n" ); document.write( "
Algebra.Com's Answer #529454 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Raise both sides to power of 2. \n" ); document.write( "Simplify.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You found x=4 or x=-7 but the key said just x=4.\r \n" ); document.write( "\n" ); document.write( "Let us see what we can find.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "(x+4)(x-7), this one does not work; \n" ); document.write( "(x-4)(x+7), this one works; \n" ); document.write( " \n" ); document.write( "One of the factors is zero or the other factor is zero. \n" ); document.write( "x=4, OR x=-7 \n" ); document.write( "Both solutions will work. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "CHECK: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "Both solutions are correct. \n" ); document.write( " |