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4a²-20a+25 help me plz​

Sagot :

Answer:

(2a-5)² is the final solution

Step-by-step explanation:

4a²-20a+25

= (2a)² - 2 × 2a × 5 + 5²

= (2a-5)²

Answer:

(2a-5)^2 is the answer.