Tolong tulisin caranya yahhh

[tex](^7 log \ {4} \ . \ ^2 log \ {5}) + ^7 log{\frac{49}{25}} \\ \\ (^2 log \ {4} \ . \ ^7 log \ {5}) + ^7 log{\frac{49}{25}} \\ \\ (2 \ . \ ^7 log \ {5}) + ^7 log{\frac{49}{25}} \\ \\ ^7 log\ {5^2} + ^7 log{\frac{7^2}{5^2}} \\ \\ ^7 log{\ 5^2 \ . \ \frac{7^2}{5^2} }\\ \\ ^7 log {\ 7^2} = 2[/tex]