Question

(6ab+4ac-2a)+3(a+ab-ac)
please explain
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Answer 1

Answer:

See as Here Identity 4 will be used so

Step-by-step explanation:

Firstly

We know that

(a+b+c)^2 = a^2+b^2+c^2+2ab+2bc+2ca

Now,

6ab+4ac-2a

10abc-2a

8bc

Secondly

(a+ab-ac)

a^2b -ac

abc

So,8bc=abc