Simplify -3a²-[5ab+3{a²-(ab-b)-(a-b)}]
Answers
Answered by
4
Step-by-step explanation:
1st bracket work , then second bracket , then 3rd bracket work
Attachments:
Answered by
9
Answer:
-6a²-2ab+3a-6b
Step-by-step explanation:
Simplification:
-3a²-[5ab+3{a²-(ab-b)-(a-b)}]
= -3a²-[5ab+3{ a²-ab+b-a+b }]
= -3a²-[5ab+3{ a²-ab-a+2b}]
= -3a²-[5ab+3(a²)+3(-ab)+3(-a)+3(2b)]
= -3a²-[5ab+3a²-3ab-3a+6b]
= -3a²-[3a²+2ab-3a+6b]
= -3a²-3a²-2ab+3a-6b
= -6a²-2ab+3a-6b
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