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complete factor of 4x²-81​

Sagot :

Answer:

Factor 4x2−81

4x2−81

=(2x+9)(2x−9)

Answer:

(2x+9)(2x−9)

Answer:

(2×-9)×(2×+9)

Step-by-step explanation:

4ײ-81

2²×²-81

2²×²-9²

(2×-9)×(2×+9)