7(4a -3) - 3a{8-2a(1+2 a)}
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Answered by
0
Step-by-step explanation:
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Answered by
7
Answer:
12a³+6a²+28a-36
Step-by-step explanation:
=7(4a-3)-3a{8-2a(1+2a)}
=28a-21-[3a{8-2a-4a²}]
=28a-21-24+6a²+12a³
=12a³+6a²+28a-36(by arranging)
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