Math, asked by Sugarstar6543, 9 months ago

2
Example 3: Factorize the expression

(iii) 25a^2 – 20ab + 4b^2 - 16c^2

Answers

Answered by luisecubero77

5

Answer:

(5a - 2b - 4c)(5a - 2b + 4c)

Step-by-step explanation:

25a² – 20ab + 4b² - 16c²

(25a - 10b)(25a - 10b)/25 - 16c²

5(5a - 2b)5(5a - 2b)/25 - 16c²

(5a - 2b)(5a - 2b) - 16c²

(5a - 2b)² - 16c²

(5a - 2b - 4c)(5a - 2b + 4c)

Answered by goldy2182

1

Answer-

(5a - 2b - 4c)(5a - 2b + 4c)

Step-by-step explanation:

25a² – 20ab + 4b² - 16c²

(25a - 10b)(25a - 10b)/25 - 16c²

5(5a - 2b)5(5a - 2b)/25 - 16c²

(5a - 2b)(5a - 2b) - 16c²

(5a - 2b)² - 16c²

(5a - 2b - 4c)(5a - 2b + 4c)

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