Question

4. Subtract the algebraic expression 4a - 3ab + 2b + 1 from 6a - 5ab-9b+8.
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Answer 1

Answer:

= 6a-5ab-9b+8-(4a-3ab+2b+1)

= 6a-5ab-9b+8-4a+3ab-2b-1

= 2a-2ab-11b+7

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Answer 2

Answer:

2a-2ab-11b+7

Step-by-step explanation:

  6a-5ab-9b+8

(-)4a-3ab+2b+1

=2a-2ab-11b+7

this answer comes like this

6a-4a=2a

(-5ab)-(-3ab)=-5ab+3ab=-2ab

(-9b)-(+2b)=-9b-2b= -11b

8-1=7.