Question

Преобразуйте в многочлен 1) (m - 4)(m + 4)+ m(5 - m) 2) (x - 8)^2 - ( x - 3)(x + 3)

Answer 1

1) (m - 4)(m + 4)+ m(5 - m)=m^2-16+5m-m^2=5m-16
2) (x - 8)^2 - ( x - 3)(x + 3)=x^2-16x+64-(x^2-9)=x^2-16x+64-x^2+9=-16x+73