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Answered by
1
Answer:
2)a) (4x+5y) (4x-5y)
= 16x²-25y²
Step-by-step explanation:
Because a²-b²=(a+b)(a-b)
Answered by
0
Step-by-step explanation:
a) 16 X² - 25 y²
And also I won't be marking you as brainliest
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