Usuń nawiasy i przeprowadź redukcję wyrazów podobnych.
a)3x+2(x-3)
b)2a-3(3a-2)
c)y-3(2y+5
d)5x+4-3(x-6)
e)-3z+2-4(2z-3)
f)(-y+4)-(2y+1+ 3y+3)
g)(8x-y)-(3x+y-(-5x-2y)
h)2x(x+3y-7)-5x^2-(3xy-8x)
i)x(3x-4)-9(x^2-4x)
j)3xy(4x-5y-6)-12x^2y
k)2(3x+4y^2-7)-(8x^2-8y^2)+14
^2-do kwadratu
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a)3x+2(x-3)=3x+2x-6=5x-6
b)2a-3(3a-2)=2a-9a+6=-7a+6
c)y-3(2y+5)=y-6y-15=-5y-15
d)5x+4-3(x-6)=5x+4-3x+18=2x+22
e)-3z+2-4(2z-3)=-3z+2-8z+12=-11z+14
f)(-y+4)-(2y+1+ 3y+3)=-y+4-2y-1-3y-3=-6y
g)(8x-y)-(3x+y)-(-5x-2y)=8x-y-3x-y+5x+2y=10x
h)2x(x+3y-7)-5x²-(3xy-8x)=2x²+6xy-14x-5x²-3xy+8x=-3x²+3xy-6x
j)3xy(4x-5y-6)-12x²2y=12x²y-15xy²-18xy-24x²y=-12x²y-15xy²-18xy
k)2(3x+4y²-7)-(8x²-8y²)+14=6x+8y²-14-8x²+8y²+14=6x+16y²
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