Question

Subtract3a(a+b+c)-2b(a-b+c)from4c(-a+b+c)​

Answer 1

4c(−a+b+c)−[3a(a+b+c)−2b(a−b+c)]

4c(−a+b+c)−[3a  

2

+3ab+3ac−2ab+2b  

2

−2bc]

4c(−a+b+c)−[3a  

2

+2b  

2

+ab+3ac−2bc]

−4ac+4bc+4c  

2

−3a  

2

−2b  

2

−ab−3ac+2bc

4c  

2

−3a  

2

−2b  

2

−ab+6bc−7ac