Question

Хелп пожалуйста добрые люди отзовитесь

Answer 1

Решение во вложении:

Answer 2

(m-3)^2=m^2-2×m×3+3^2=m^2-6m+9
(x+5)^2=x^2+2×x×5+5^2=x^2+10x+25
(6+y)^2=6^2+2×6×y+y^2=36+12y+y^2
(b-9)^2=b^2-2×b×9+9^2=b^2-18v+81
(4+d)^2=4^2+2×4×d+d^2=16+7d+d^2
(p+q)^2=p^2+2×pq+q^2
(z^2-y)^2=(z^2)^2-2×z^2y+y^2=z^4-2z^2y+y^2
(a+1)^2=a^2+2×a×1+1^2=a^2+2a+1