Question

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Answer 1

Answer:

What do I do? May be this

Answer 2

Answer:

there it is

Step-by-step explanation:

a part ) (b-5)²                                as per identity (a-b)² = a² +b² -2ab

thus,

(b)² +(5)² -2(b)(5)

b²+25 -10b

b part ) (6x² +5y)²                         as per identity (a+b)² = a² +b² +2ab

thus,

(6x²)² +(5y)² +2(6x²)(5y)

36x power 4 +25y² +60x²y

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