Question

4a-7ab- 7ab +3b+12 from 12a - 9ab +5b-3


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Answer 1

Answer:

8a -2ab +2b -15

Step-by-step explanation:

12a - 9ab +5b-3 – (4a-7ab- 7ab +3b+12)

• +4 a becomes -4a. So, 12a - 4a = 8a.
• -7ab becomes +7ab. So, -9ab +7ab = -2ab.
• +3b becomes -3b. So, 5b - 3b = 2b.
• +12 becomes - 12. So, -3 -12 = -15.

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