27-18=9 (difference between)
9/18=0.5 (9 as a percentage of original as a decimal)
0.5x100=50 (as a percentage)
50% increase
(4ab^2-5ba-2ba^2+a^2+4b^3+a^3)(2b+a)/ a-4b^2
Answer:
12
Step-by-step explanation:
12 is the most number in the equation
Answers: 
1. Switch sides

2. Subtract by 8 from both sides of equation.

3. Simplify.

4. Multiply by -1 from both sides of equation. (it's should be the reverse inequality).

5. Simplify.

6. Then you had to divide by 9 from both sides of equation.

7. Simplify.

8. Divide by the numbers.



9. Divide by the numbers.



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Yes because removing the common factor is important. There are a few steps, then you can factor by regrouping. Hope this helps.