Zad. 1 Wykonaj mnożenie i redukuj wyrazy podobne.
a)
b)
a) (2x²+3x-2x-3) + 3-x= 2x²+x-3+3-x= 2x²
b) 2xy - (x²-3xy+2xy-6y²) = 2xy-x²+xy+6y² = 3xy+6y²-x²
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a) (2x²+3x-2x-3) + 3-x= 2x²+x-3+3-x= 2x²
b) 2xy - (x²-3xy+2xy-6y²) = 2xy-x²+xy+6y² = 3xy+6y²-x²