Math, asked by navaldudani1, 2 months ago

Simplify : 7a – b x 7b-c x 7c - a

Answers

Answered by cheti3

2

Answer:

7a-b × 7b-c × 7c-a

= 49ab - 7ac - 7b² + bc × 7c- a

= 343abc - 49ac² - 49b²c + 7bc² - 49a²b + 7a²c + 7ab² - abc

= 342abc -49ac² - 49b²c + 7bc² - 49a²b + 7a²c + 7ab²

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