Question

49x square - 16y square​

Answer 1

Answer:

2401x² - 1568xy + 256y²

Step by step Explanation:

( a - b )² = a² - 2ab + b²

a = 49x, b = 16y

→ (49x)² - 2 × 49x × 16y + (16y)²

= 2401x² - 1568xy + 256y²

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Answer 2

Step-by-step explanation:

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