Find the difference (x^3-7x+4x^2--9x+4) = ? x^3+? x^2+? x+?

=x3+2x2+2x−6

Step-by-step explanation:

x3−7x+4x2−2+−1(2x2−9x+4)

x3+−7x+4x2+−2+−1(2x2)+−1(−9x)+(−1)(4)

x3+−7x+4x2+−2+−2x2+9x+−4

x3+−7x+4x2+−2+−2x2+9x+−4

(x3)+(4x2+−2x2)+(−7x+9x)+(−2+−4)

x3+2x2+2x+−6

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5