Simplify 5a-[3b {4a (5b-6a-7b)
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Answered by
4
ANSWER:
15a - b
SOLUTION:
5a-[3b - {4a - (5b-6a-7b)}]
= 5a - [3b - {4a - ( -6a - 2b) }]
= 5a - [3b - { 4a + 6a + 2b }]
= 5a - [3b - 10a - 2b}]
= 5a - [3b - 10a - 2b]
= 5a - [b - 10a]
= 5a - b + 10a
= 15a - b
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