document.write( "Question 39403: three-quarters times the square of a positive integer number is 3 less than fives times the integer. find the integer \n" ); document.write( "
Algebra.Com's Answer #24842 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Let the number be x. Then \n" ); document.write( "(3/4)x^2 = 5x - 3 \n" ); document.write( "Multiply by 4 to clear fractions... \n" ); document.write( "3x^2 = 20x - 12 \n" ); document.write( "3x^2 - 20x + 12 = 0 \n" ); document.write( "(3x - 2)(x - 6) = 0 \n" ); document.write( "x = 2/3 or x = 6 \n" ); document.write( "but 2/3 is not an integer, so \n" ); document.write( "x = 6. \n" ); document.write( " |