12. 2a2 - 8a - 64 plz.tell me the ans
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Answered by
2
Answer:
2a^2-16a+4a-64
2a(a-8)+4(a-16)
Step-by-step explanation:
WRONG QUESTION
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Answered by
0
Answer:
2a^2-8a-64=0
divide by 2
a^2-4a-32=0
a^2-8a+4a-32=0
a(a-8)+4(a-8)=0
(a+4)(a-8)=0
a=-4,8
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