Please help
10 points and I will give you brainliest
2 answers:
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
Step-by-step explanation:
here u go.
hope it helps you
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Step-by-step explanation: