" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
b)-a+(2a-3b-1)=-a+2a-3b-1=a-3b-1
c)-x²+(x²-x-7)=-x²+x²-x-7=-x-7
d)-b³-(b³-b²-b)=-b³-b³+b²+b=-2b³+b²+b
e)(2a-3b)+(4a-b)=2a-3b+4a-b=6a-4b
f)-(x²-3x)+(x²+3x)=-x²+3x+x²+3x=6x
g)(a+b-c)-(2a-b+2c)=a+b-c-2a+b-2c=-a+2b-3c
b) -a + (2a-3b-1)=-a+2a-3b-1=a-3b-1
c) -x²+(x²-x-7)=-x²+x²-x-7= -x-7
d) -b³- (b³-b²-b)=-b³-b³+b²+b= -2b³+b²+b
e) (2a-3b)+ (4a-b)= 2a - 3b+4a-b=6a-4b
f) -(x²-3x) + (x²+3x)= -x² + 3x+x²+3x= 6x
g) (a+b-c) - (2a-b+2c)= a+b-c-2a+b-2c= -a+2b-3c