Oblicz1) 2(3+x)^-(2-x)^-3(2-x)(2+x)2) (4x-3y)(4x+3y)-2(4x+3y)^+2(3x-4y)^
1)
2(9+6x+x²)-3(4-x²)=18+12x+2x²-12+3x²=5x²+12x+6
2)
16x²-9y²-2(16x²+24xy+9y²)+2(9x²-24xy+16y²)=
16x²-9y²-32x²-48xy-18y²+18x²-48xy+32y²=2x²+15y²-98xy
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1)
2(9+6x+x²)-3(4-x²)=18+12x+2x²-12+3x²=5x²+12x+6
2)
16x²-9y²-2(16x²+24xy+9y²)+2(9x²-24xy+16y²)=
16x²-9y²-32x²-48xy-18y²+18x²-48xy+32y²=2x²+15y²-98xy