Помогите плиз с алгеброй.(4a-b)^2+2a(3b+2)

Question

Помогите плиз с алгеброй.
(4a-b)^2+2a(3b+2)

Answer 1

I hope this helps you

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Answer 2

(4a-b)^2+2a(3b+2)=16a^2-8ab+b^2+6ab+4a=16a^2-2ab+b^2+4a