Question

Subtract 5a – 7ab + 4b from

12a – 9ab + 5b .​

Answer 1

Answer:

7a + b - 2ab

Step-by-step explanation:

12a – 9ab + 5b - (5a – 7ab + 4b)

12a - 9ab + 5b - 5a + 7ab - 4b

7a + b - 2ab

Answer 2

Subtracting 5a – 7ab + 4b from 12a – 9ab + 5b we get 7a - 2ab + b

Given :

The expressions 5a – 7ab + 4b and 12a – 9ab + 5b

To find :

Subtract 5a – 7ab + 4b from 12a – 9ab + 5b

Solution :

Step 1 of 2 :

Write down the given expressions

Here the given expressions are 5a – 7ab + 4b and 12a – 9ab + 5b

Step 2 of 2 :

Subtract 5a – 7ab + 4b from 12a – 9ab + 5b

On subtraction of 5a – 7ab + 4b from 12a – 9ab + 5b we get

( 12a - 9ab + 5b ) - ( 5a - 7ab + 4b )

= 12a - 9ab + 5b - 5a + 7ab - 4b

= 12a - 5a - 9ab + 7ab + 5b - 4b

= 7a - 2ab + b

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