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How do you solve #16x^2 - 64=0#?

1 Answer

Jun 15, 2015

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

Explanation:

#16x^2 - 64=0#

Taking out the common term #(16)#:
#16(x^2 - 4)=0#
#x^2 - 4=0#
#x^2 =4#
# x = sqrt4#
#color(blue)(x = +-2#

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