+0  
 
+1
44
2
avatar+1012 

Help.

NotSoSmart  Nov 1, 2017
Sort: 

2+0 Answers

 #1
avatar+488 
0

(3x+2)(3x-2)

ProMagma  Nov 1, 2017
 #2
avatar+634 
+1

This problem is what is known as a difference of perfect squares.

The standard form of this is \((ax^2-b^2)=(\sqrt{a}x+\sqrt{b})(\sqrt{a}x-\sqrt{b})\).

In this the a=9 and the b=4.

So \((9x^2-4)=(3x-2)(3x+2)\).

AdamTaurus  Nov 2, 2017

10 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details