(3а - 5)^{2} - (3а + 5)^{2}

Question

(3а - 5)^{2} - (3а + 5)^{2}

Comments

(3а - 5)^{2} - (3а + 5)^{2} =9a²-30a+25-9a²-30a-25=-60a

Answer 1

(3а - 5)^{2}  - (3а + 5)^{2} =9a²-30a+25-9a²-30a-25=-60a

Answer 2

(3*a - 5)^2 - (3*a + 5)^2
Упрощаем выражение
-60*a