SOLUTION: � Simplify each expression. Show all the steps of your simplification. a. (n2 � 5n + 3)(n2 + n � 1) b. (4a3b2)3 (3ab4)2 I have half of the first one done but i know i am mis

Question 430027: � Simplify each expression. Show all the steps of your simplification.
a. (n2 � 5n + 3)(n2 + n � 1)
b. (4a3b2)3 (3ab4)2

I have half of the first one done but i know i am missing the explination of some steps, i forget how to do the steps in depth i just do the problem without showing most of my work, pelase help!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a. (n2 � 5n + 3)(n2 + n � 1)
---
= n^2(n^2+n-1) -5n(n^2+n-1) + 3(n^2+n-1)
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= n^4+n^3+n^2 - 5n^3-5n^2+5n + 3n^2+3n-3
----
= n^4+n^3-n^2+8n-3
=================================

b. (4a3b2)^3 (3ab4)^2
----
= (64a^12b^6)(9a^2b^8)
---
= 576a^14b^14
===================
Cheers,
Stan H.
===================

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