the sum of two number is 25 and their difference is 13 . find their product .
"let the numbers be x and y . then , x + y = 25 and x - y = 13 . 4 xy = ( x + y ) 2 - ( x - y ) 2 = ( 25 ) 2 - ( 13 ) 2 = ( 625 - 169 ) = = 456 = > 114 answer a"
multiply(multiply(25, 13), const_2)