Question

rewrite 2x^6-9x^5+4x^2-5/x^3-5 in the form q(x)+r(x)/b(x) what is q(x)?
a- 2x^9-9x^8-10x^6+49x^5-5x^3-20x^2+25
b-2x^6-9x^5+4x^2-5
c-2x^3-9x^2+4x-5
d-2x^3-9x^2+10

Answer 1

Hello,

(2x^6-9x^5+4x^2-5)|x^3-5
-(2x^6-10x^3 )         | 2x^3  -9x^2 +10
-------------------
-9x^5 +10x^3 +4x^2-5
-(-9x^5+45x^2)
---------------------------
10x^3-41x^2-5
-(10x^3-50)
-----------------
-41x²+45


Answer D