Question

Simplify: 7a-b × 7b-c × 7c-a please answer me argent ​

Answer 1

Step-by-step explanation:

7(a-b x b-c x c- a )

7( ab-ac-2b+bc * c-a )

7(abc-ac^2-2bc+bc^2-a^2b+a^2c+2ab-abc)

at first there is abc and last - abc they will cancel now ,

7(-ac^2-2bc+bc^2-a^2b+a^2c+2ab)

-7ac^2 -14bc + 7bc^2 -7a^2b+7a^2c+14ab

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Answer 2

Answer:

7a-b×7b-c×7c-a

solutions:-

7a-b+b-c+c-a

7^0=1