Question

Simplify 5a-[3b {4a (5b-6a-7b)​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

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