Question

100 -a^ 2 - b^2 -2ab factorise
please tell​

Answer 1

Answer:

100 - [ a + b ]²

Step-by-step explanation:

100 - a² - b² - 2ab

⇒ 100 - [ a² + b² + 2ab ]

⇒ 100 - [ a + b ]²

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Answer 2

Answer:

100 - ([a-b]^2)

This actually is also called the "distributive property", but it uses unknown variables/numbers.