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OpenStudy (anonymous):
Medal and fan for the correct answer! :) Thanks! Which of the following is equivalent to (2x + 3)(2x - 3) A 4x2 - 9 B 4x2 - 6x - 9 C 4x2 + 9 D 4x
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OpenStudy (anonymous):
c
OpenStudy (z4k4r1y4):
it's A
OpenStudy (anonymous):
use Foil (front, outside inside last)
OpenStudy (anonymous):
hes right its a
OpenStudy (z4k4r1y4):
-3 * 3 = -9
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OpenStudy (only_hanaaa):
yes I agree with z4k4r1y4 it is A.
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