Сократите дробь 18 c d^2-16d/4cd

Question

Сократите дробь 18 c d^2-16d/4cd

Answer 1

( 18cd² - 16d ) / 4cd = ( 2d * ( 9cd - 8 )) / ( 2d * 2c ) = ( 9cd - 8 ) / 2c