(5a-4)(3a+4)-4a(3,5a+2)

Question

(5a-4)(3a+4)-4a(3,5a+2)

Answer 1

Ответ:

Объяснение:

.................

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Answer 2

(5a-4)(3a+4)-4a(3.5a+2)=a^2-16=(а-4)(а+4)