Find the sum. (adding and subtracting polynomials) Find the sum. (-8x - 12) + (9x + 4)=
Find the sum. (-3p^3 + 5p^2 - 2p) + (3r^2 - 3r)
Find the sum. ( -3p^3 + 5p^2 - 2p) + (-p^3 - 8p^2 - 15p)
Find the sum. ( 9r^2+4r-7) + (3r^2-3r)

its c or d   take a lucky guess my dude

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

oof

step-by-step explanation:

i believe it is b and c. (side note, i got the same computer from k-12 lol i’m in 8th grade and this is my first year, will it get

step-by-step explanation: