Question

subtraction:3b + 6 – 9b³ from 7b³ + 5 + 2b​

Answer 1

Answer:

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