Question

5-x2 + x3 – (3 – x – 4x2 – 5x3 )=

Answer 1

5-x²+x³-(3-x-4²-5³) = ?

-(3-x-4x²-5x³) + x³ - x² +5
-3+x+4x²+5x³+x³-x²+5
(x³+5x³)+(-x²+4x²)+x+(5-3)
6x³+(-x²+4x²)+x+(5-3)
6x³+3x²+x+(5-3)
6x³+3x²+x+2