Question

multiplying (a+bc) and (ab-c) the answers is​

Answer 1

Step-by-step explanation:

Answer

(ab+bc+ca)(ab−bc−ca)

=[ab+(bc+ca)][ab−(bc+ca)]

=(ab)

2

−(bc+ca)

2

=a

2

b

2

−(b

2

c

2

+c

2

a

2

+2abc

2

)

=a

2

b

2

−b

2

c

2

−c

2

a

2

−2abc