2(a-9)² find using identity
Answers
Answered by
0
Answer:
320a2
Step-by-step explanation:
(2a - 18)²
4a²- 324
320a²
Answered by
4
Step-by-step explanation:
=2(a-9)²
=2(a²-18a+81)
=2a²-36a+162
Factors:
=a²-18a+81
=a²-9a-9a+81
=a(a-9)-9(a-9)
=(a-9)(a-9)
Hope it is helpful.Please mark as brainliest.
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