a) 3x-4(y-3x) b)8(-12x+y)+12 c)3(a-3b)-4(2b-4a) c)3(a-3b)-4(2b-4a) d)-5(4a-3b)-4(5a-5b) e)-4(x-3y+2z)-3(2x+4y-3z) f)-2(3x4y)-3(-2x+2y) g)6(1/2x-1/3y)+2(1/2x-3/6y) Proszee pomóżcie Pilnee!!!!!!!;)
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a) 3x-4(y-3x)=3x-4y+12x=15x-4y
b) 8(-12x+y)+12=-96x+8y+12
c) 3(a-3b)-4(2b-4a)=3a-9b-8b+16a=19a-17b
d) -5(4a-3b)-4(5a-5b)=-20a+15b-20a+20b=-40a+35b
e) -4(x-3y+2z)-3(2x+4y-3z)=-4x+12y-8z-6x-12y+9z=-10x+z
f) nie zrobiłas znaku w nawiasie pierwszym
g) 6(1/2x-1/3y)+2(1/2x-3/6y)=3x-2y+x-y=4x-3y