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How do you factor #a^2 − 36#?

1 Answer

May 4, 2015

#a^2 - 36# can be written as #a^2 - 6^2#

this is of the form:

#a^2 - b^2 = ( a + b) (a -b ) #

so ,
# a^2 - 6^2= (a +6) (a - 6) #

the factorized form of #a^2 - 36# is:

#(a +6) (a - 6)#

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