Math, asked by PlaneGaming, 1 month ago

simplify: (7a-6b+5c)² - (7a+6b-5c)²

Answers

Answered by jonesroymathew

1

Answer:

a² - b² = a+b*a-b

= (7a-6b+5c + 7a+6b-5c) ( 7a-6b+5c - 7a+6b-5c)

14a × -12b + 10c

Answered by biligiri

1

Step-by-step explanation:

It is in the form a² - b² => (a + b)(a - b)

on comparing, a = 7a - 6b + 5c and b = 7a + 6b - 5c

=> (7a-6b+5c+7a+6b-5c)(7a-6b+5c-7a-6b+5c)

=> (14a)(-12b+10c)

=> 140ac - 168ab

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