1. Zapisz w jak najprostszej postaci :
a ) . -4(2x+0,5)
b ) . 3(x²-2) - (5-6x²)
c ). -3(1-2y) + ½(6-12y)
d ). -(x-2) - 4 (½ - x )
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1. Zapisz w jak najprostszej postaci :
a ) . -4(2x+0,5)=-8x-2
b ) . 3(x²-2) - (5-6x²)=3x²-6-5+6x²=9x²-11
c ). -3(1-2y) + ½(6-12y)=-3+6y+3-6y=0
d ). -(x-2) - 4 (½ - x )=-x+2-2+4x=3x
a ) . -4(2x+0,5)=-8x-2
b ) . 3(x²-2) - (5-6x²)=3x²-6-5+6x²=9x²-11
c ). -3(1-2y) + ½(6-12y)=-3+6y+3-6y=0
d ). -(x-2) - 4 (½ - x )=-x+2-2+4x=3x