Question

(2-5) square formula is (a+b) : a square + b square + 2 ab​

Answer 1

Step-by-step explanation:

(2-5)²

= (2)² + (5)² - 2(2)(5)

= 4 + 25 - 20. [Formula: (a-b)² = a² + b² - 2ab]

= 9

Alternate method:

(2-5)²

= (-3)²

= (-3)×(-3)

= 9

Answer 2

Answer:

Hello.

Step-by-step explanation:

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