(-4m-3n)^2= (5-k)*(5+k) (-4x-2)*(4x-2)

Question

(-4m-3n)^2=

(5-k)*(5+k)

(-4x-2)*(4x-2)

Answer 1

файл

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Answer 2

(-4m-3n)^2=(-4m)^2-2*(-4m)*(-3n)+(-3n)^2=16m^2-24mn+9n^2

2 не сделал

(-4x-2)*(4x-2)= -1(4x+2)*(4x-2)= -1((4x)^2-2^2)= -1(16x^2-4)= -16x^2+4