Answer :
Answer: x^7+3x^4-9x^2+3
Step-by-step explanation: Simply 1x^7+3x^4-2x^2-(7x^2-3)
x^7+3x^4-2x^2-7x^2+3
-2x -2x
x^7+3x^4-9x^2+3
MARK ME AS BRAINLIEST THANKS!!!!
Answer: x^7+3x^4-9x^2+3
Step-by-step explanation: Simply 1x^7+3x^4-2x^2-(7x^2-3)
x^7+3x^4-2x^2-7x^2+3
-2x -2x
x^7+3x^4-9x^2+3
MARK ME AS BRAINLIEST THANKS!!!!