Math, asked by sanku1525, 1 year ago

What should be added to 4x² - 16x to make it a perfect square?​

Answers

Answered by adrija70
12

Answer:

16 must be added

Step-by-step explanation:

4x² - 2×2×4x + (4)² = 4x² - 16x + 16

= (2x-4)²

Hence, 16 must be added

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