Question

add the following -x³-5x²+18;-2x²+20-4x³+4x²-10​

Answer 1

Answer:

im telling u the process of doing it bro add all the like terms means add/sub terms of same veriable power

integer add/sub rule or song:

same sign add numbers and keep same sign

ex;-2-3=-(2+3) =-5

diff sign subtract smaller from greater number and put sign of greater no.

-5+2=-(5-2) =-3