document.write( "Question 321244: sqrt(x^2-2)/sqrt(7 x-25)= sqrt(2)
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document.write( "I need help its me for Find all real solutions of the equation. (If there are extra answer boxes, enter NONE in the last boxes.) ive tried everything but i still do not understand can you send me how you guys performed this operation i'd appreciate it thanks \n" );
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Algebra.Com's Answer #230047 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "this can be written under a single radical on the left \n" ); document.write( " \n" ); document.write( "Now we have a single radical on each side, square both sides and we're rid of em \n" ); document.write( " \n" ); document.write( "Multiply both sides by (7x-25), and you have \n" ); document.write( ": \n" ); document.write( "x^2 - 2 = 2(7x - 25) \n" ); document.write( ": \n" ); document.write( "x^2 - 2 = 14x - 50 \n" ); document.write( "arrange as a quadratic equation on the left \n" ); document.write( "x^2 - 14x - 2 + 50 = 0 \n" ); document.write( ": \n" ); document.write( "x^2 - 14x + 48 = 0 \n" ); document.write( "Easily factors to \n" ); document.write( "(x-8)(x-6) = 0 \n" ); document.write( "Two solutions \n" ); document.write( "x = 8 \n" ); document.write( "and \n" ); document.write( "x = 6 \n" ); document.write( ": \n" ); document.write( "Check both these solutions in the original problem using a calc \n" ); document.write( "x=8 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "You should check x=6, the same way \n" ); document.write( " |