Answer:
30
Step-by-step explanation:
12 & 13
trust me
(12)(7)(6x)=504x
(12 * 7 * 6)(x)=504x
(7)(12)(6) + x=504+x
12(7 + 6x)=84+72x
12 + 7 + 6x=19+x
wee see that
A*B=(A)(B)