Question

A.(5a-3b)square
B. [9a+(-2b)] square
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Answer 1

Answer:

A=25a square - 15ab - 9b square

B=81a square - 18ab - 4b square

Step-by-step explanation:

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Answer 2

Answer:

This is the answer of A

= 5a^2-2×5a×3b+3b^2

= 5a^2-30ab+3b^2