Question

преобразуйте в многочлен
(t-5)(t+5)-4t(6-t)
(k-7)^2-5k(k+2)

Answer 1

(t-5)(t+5)-4t(6-t) = t^2 -25 - 24t + 4t^2 = 5t^2 - 24t -25

(k-7)^2-5k(k+2) = k^2 - 14k +49 - 5k^2-10k = - 4k^2 - 14k +49