document.write( "Question 330393: I need help with this problem. The book says to find all real and imaginary solutions by method of choice. Thank you\r
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document.write( " 2x-5 = √7x+7 \n" );
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Algebra.Com's Answer #236843 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 2x-5=sqrt(7x+7) Assuming that this is the problem. \n" ); document.write( "4x^2-20x+25=7x+7 Square each side. \n" ); document.write( "4x^2-27x+18=0 \n" ); document.write( "4*18=72. the 2 factors of 72 whose sum is -27 are -24 and -3. \n" ); document.write( "4x^2-3x-24x+18=0 \n" ); document.write( "x(4x-3)-6(4x-3)=0 \n" ); document.write( "(x-6)(4x-3)=0 \n" ); document.write( ". \n" ); document.write( "x=6 \n" ); document.write( "4x=3, x=3/4 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |