Question

(c+6)^2-6(c+12) помогите пожалуйста

Answer 1

c^2+12c+36-6c-72=c^2+6c-36

Answer 2

$(c+6)^{2} - 6(c + 12) = c^{2} + 12c + 36 - 6c - 72 = c^{2} + 6c - 36 =$ $c^{2} + 6c + 9 - 45 = (c+3)^{2} - 45$