please help me
tell me answer with full explanation
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Answered by
1
Answer:
m⁴-81
Step-by-step explanation:
Identity » a²-b² = (a+b)(a-b)
(m+3)(m-3)(m²+9)
= (m²-3²)(m²+9)
= (m²-9)(m²+9)
= (m²)²-(9)²
= m⁴-81
Answered by
1
Step-by-step explanation:
me ok plz PlZ plz plz plz plz
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