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1) -(-(-5x+1) + (8-(x-1)))
2) c(b+3)+c
3) -1/2a(-2a^2+6a+6)
1.
2.
3.
1)
-(-(-5x+1)+(8-(x-1)))=-(5x-1)-(8-x+1)=(-5x)+1+9-x=(-6x)=10
2)
c(b+3)+c=cb+3c+c=cb+4c=c(b+4)
3)
-1/2a(-2a^2+6a+6)=-1/2a*-2a^2+(-1/2a)*6=-a^3-3a^2-3a
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1.
2.
3.
1)
-(-(-5x+1)+(8-(x-1)))=-(5x-1)-(8-x+1)=(-5x)+1+9-x=(-6x)=10
2)
c(b+3)+c=cb+3c+c=cb+4c=c(b+4)
3)
-1/2a(-2a^2+6a+6)=-1/2a*-2a^2+(-1/2a)*6=-a^3-3a^2-3a