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b) -2x²-5x+3-6x-2+x²+3x²+2x-8=2x²-9x-7
2zadanie
a) x-2y-3z-3x-2y-z+4x-3y-3z=2x-7y-7z
b)-x²+3x-2+4-3x+2x²-7-4x+3x²=4x²-4x-5
1zad
a) -a+8b-7
b)2x^2-9x-7
2. Opuść nawiasy i zredukuj wyrazy podobne.
a) (x - 2y - 3z) - (3x + 2y + z) + (4x - 3y - 3z)
b) -(x kwadrat - 3x + 2) + (4 - 3x + 2x kwadrat) - (7 + 4x - 3x kwadrat)
a) x-2y-3z-3x-2y+z+4x-3y-3z=-7y+2x-5z
b) -x^2+3x-2+4-3x+2x^2-7-4x+3x^2= 4x^2-4x-5
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