Question

Standard -8

Q -1 Subtract

1)
$4a \: - 3ab + 7 \: from \: 7a + 2ab \: - 9$

2)
$4 {x}^{2} y + 6xy + 9 \: from \: 2 {x}^{2} y - 2xy + 7$
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Answer 1

Answer:

1) 3a+5ab-16

2) -2x^2-8xy-2

Step-by-step explanation:

For Explanation, Refer to the attachment.

I hope that it helps

Answer 2

Step-by-step explanation:

1) 7a + 2ab - 9 - ( 4a - 3ab + 7 )

7a + 2ab - 9 - 4a + 3ab - 7

7a - 4a + 2ab + 3ab -9 - 7

3a + 5ab - 16

2) 4x2y + 6xy +9 - ( 2x2y - 2xy + 7 )

4x2y + 6xy + 9 - 2x2y + 2xy - 7

4x2y - 2x2y + 6xy + 2xy + 9 - 7

2x2y + 8xy + 2