Zad. 2
W= 2x^3 - 5x + 1
Y = 4x^2 + 3x -10
a)
W+ Y=2x^3 - 5x + 1+4x^2 + 3x -10 =2x^3+4x^2-2x-9
b)
W-Y=2x^3 - 5x + 1-(4x^2 + 3x -10)=2x^3 - 5x + 1-4x^2-3x+10=2x^3-4x^2-8x+11
c)
W*Y=(2x^3 - 5x + 1)(4x^2 + 3x -10)=8x^5+6x^4-20x^3-20x^3-15x^2+50x+4x^2 + 3x -10=
=8x^5+6x^4-40x^3-11x^2+53x-10