9m²- 66m + 121 solve this using identities
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Answered by
0
Answer:
9m + 11 whole square
Step-by-step explanation:
Answered by
0
Answer:
identity: (a-b)^2 = a^2 - 2ab +b^2
Step-by-step explanation:
9m^2 - 66m + 121 = (3m)^2 - 2×3m×11 + (11)^2
= (3m - 11)^2
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