Question

ab-ab+4a+4a+4b-4b
plz help my ma'am will kill me​

Answer 1

Answer:

ab−4a,4b−ab,4a−ab=ab−4a+4b−ab+4a−ab

=−4a+4a+4b−4b+ab−ab

=0+0+0=0.

Step-by-step explanation:

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Answer 2

Answer:

8a is the answer

Step-by-step explanation:

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