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Ahat [919]
3 years ago
6

What is (x+2)(x-2) equal ?

Mathematics
2 answers:
belka [17]3 years ago
8 0

Answer:

x^2 - 4

Step-by-step explanation:

since it is in the form of

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

u can directly write x^2 - 2^2

=x^2 - 4

process :

(x + 2)(x - 2)

=x(x - 2) + 2(x - 2)

=x^2 - 2x + 2x - 4

=-2x and plus 2x gets cancel

=x^2 - 4

gizmo_the_mogwai [7]3 years ago
7 0
(x - 4)^2 , i hope this helps
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