Question

преобразуйте в многочлен
(-r-p)^2
(-n-4)^2
(-m-7)^2

Answer 1

$(-r-p)^2=Big (-(r+p)Big )^2=(-1)^2cdot (r+p)^2=+1cdot (r^2+2rp+p^2)=\\=r^2+2rp+p^2\\(-n-4)^2=+(n+4)^2=n^2+8n+16\\(-m-7)^2=+(m+7)^2=m^2+14m+49$

$P.S.; ; ; ili\\(-r-p)^2=Big ((-r)+(-p)Big )^2=(-r)^2+2(-r)cdot (-p)+(-p)^2=\\=r^2+2rp+p^2$