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How do you simplify #(3x + 2)(3x - 2) #?

1 Answer

Apr 1, 2016

# = 9x^2 - 4#

Explanation:

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

Applying the below mentioned property we can simplify the expression:
#color(blue)((a+b)(a-b)= a^2 - b^2#

Here : #color(blue)(a=3x , b=2#

#(3x+2)(3x-2) = color(blue)((3x)^2 - 2^2#

# = 9x^2 - 4#

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