wykonaj dzialania:
1. ( 4x²-7x + 3) -( x²-5x+9)-(8x²+6x-11)=
2.(2+ 8p²-p³)+(2p³-a²-8)-(12-7p³+5p²)=
3.3x²y-7x(x-4)+(5yx²-13x)=
4.5x(x-2y(x+3))-2x(3x-4y(5x-8))=
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1. ( 4x²-7x + 3) -( x²-5x+9)-(8x²+6x-11)=4x²-7x+3-x²+5x-9-8x²-6x+11=-5x²-8x+5
2.(2+ 8p²-p³)+(2p³-p²-8)-(12-7p³+5p²)=2+8p²-p³+2p³-p²-8-12+7p³-5p²=8p³+2p²-18
3.3x²y-7x(x-4)+(5yx²-13x)=3x²y-7x²+28x+5yx²-13x=8x²y-7x²-15x
4.5x(x-2y(x+3))-2x(3x-4y(5x-8))=(5x²-10xy)(x+3)-(6x²-8xy)(5x-8)=5x³-10x²y+15x²
-30xy -(30x³-40x²y-48x²+64xy)=5x³-10x²y+15x² -30xy -30x³+40x²y+48x²-64xy=
-25x³+ 63x² +30x²y -94xy
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