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Original: -2a(a+b-5) + 3(-5a+2b) +b(6a+b-8)
Distribute: -2a^2-2ab+10a-15a+6b +6ab+b^2-8b
Combine like terms: -2a^2+b^2+4ab-5a-2b

Answer:

Step-by-step explanation:

Original: -2a(a+b-5) + 3(-5a+2b) +b(6a+b-8)

Distribute: -2a^2-2ab+10a-15a+6b +6ab+b^2-8b

Combine like terms: -2a^2+b^2+4ab-5a-2b

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