Question

преобразуйте в многочлен
(x-3)(x+3)-x(x-5)
(m-5)^2-(m-4)(m+4)

Answer 1

(x-3)(x+3)-x(x-5)=x^2-9-x^2+5x=5x-9; (m-5)^2-(m-4)(m+4)=m^2-10m+25-m^2+16=41-10m.

Answer 2

X^2-3^2-x^2+5x

m^2-10m+25-m^2-4^2