Question

2 Simplify
a) (4x + 5y) 4x- 5y)
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Answer 1

Step-by-step explanation:

please mark my answer brainlist answer

Answer 2

Answer:

The answer is 16x²-25y²

Step-by-step explanation:

(4x+5y) +(4x-5y)

[(4x)4x-5y]+[(5y) (4x-5y)]

(16x²-20xy) +(20xy-25y²)

16x²-25y²

Hope it will help you