areebasolangi86 areebasolangi86

24-03-2021
Mathematics

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8. 10a - [4{5a - 3(a - 1)} - 3 (4a - 3a + 1)]

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matjutla2004 matjutla2004

24-03-2021

Step-by-step explanation:

Work with what is in the brackets first

10a-[4{5a-3(a-1)} - 3(4a-3a+1)]

=10a-[4{5a-3a+1-12a+9a-3}]

=10a-[4{-a-2}]

=10a-[-4a-8]

=10a+4a+8

=14a+8

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