Kaitou Kid Legendary Thief

Here : You write this down:

6K(2) - 15

.

(__K + __)(__K - ___)

Then you fill in the blanks.

for the ones infront of K, they must multiply to get 6.

Our method is like

this

x(2) + 16 + 64

___ x ___ = 64

___ + ___ = 16