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25-10-2021
Mathematics

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10 points and I will give you brainliest

Please help 10 points and I will give you brainliest class=

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25-10-2021

Step-by-step explanation:

here u go.

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SophieSargsyan SophieSargsyan

25-10-2021

Answer:

-10

Step-by-step explanation:

5ab-4bc+8ab+9=

1) 5ab+8ab=13ab

2) 13ab-4bc=b(13a-4c)

3) b(13a-4c)+9= (-1)( 13×3-4×5)+9= -19+9= -10

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