(5x-2)^2=(5x+4)(5x−4)
(5x-2)^2=(5x-4)^2
-20x+4=-16
-20x=-16-4
-20x=-20
x=1
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(5x-2)^2=(5x+4)(5x−4)
(5x-2)^2=(5x-4)^2
-20x+4=-16
-20x=-16-4
-20x=-20
x=1