SOLUTION: (a2 + 9a + 5) - (a2 - 9a + 5)......(2 BEING POWER OF) Simplify and show work. PLEASE AND THANK YOU.

Question 728567: (a2 + 9a + 5) - (a2 - 9a + 5)......(2 BEING POWER OF) Simplify and show work.
PLEASE AND THANK YOU.
Found 2 solutions by ohtheirony, jim_thompson5910:
Answer by ohtheirony(35) (Show Source): You can put this solution on YOUR website!
This is a polynomial equation. Subtract the common parts to get the answer.

, so cancels each other out.

9a-(-9a)=18a

5-5=0, so the 5s cancel each other.

You are left with 18a.

For more on adding and subtracting polynomials, try these links:
http://www.mathsisfun.com/algebra/polynomials-adding-subtracting.html
http://www.purplemath.com/modules/polyadd.htm
Also, to make the , place a^2 inside three {, then close the bracket with three }. You can use this for any formula.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
(a^2 + 9a + 5) - (a^2 - 9a + 5)

a^2 + 9a + 5 - a^2 + 9a - 5

(a^2 - a^2) + (9a+9a) + (5 - 5)

(0a^2) + (18a) + (0)

0a^2 + 18a + 0

0 + 18a + 0

18a
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