Question

Помогите, решить :(4a-3b)^2-(3a-5b)(2a+b)

Answer 1

= 16а² - 24ab + 9b² - 6a² - 3ab + 10ab + 5b² = 10a² - 17ab + 14b²

Answer 2

(4a-3b)^2-(3a-5b)(2a+b)
= 16a^2 - 24ab + 9b^2 - 6a^2 - 3ab + 10ab + 5b^2 = 
= 10a^2 - 17ab + 14b^2