Question

Fill in the blanks.
1. a(b + C) =
)
xb+
2. (a + b) (a - b)
3. (a? - 2ab +63)
4. (a + b)2 =​

Answer 1

Answer:

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Answer 2

Answer:

2. (a+b)(a-b)=(a2-b2)

4.(a+b)2=2a+2b