PRODUCTO NOTABLE
(a-b)(a-b) = a²-2ab+b²
-------------------------------
DEL PROBLEMA
(5x-2)(5x-2) = (5x)²-2(5x)(2)+(2)² ---> 25x²-20x+4
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eso es todo , espero se entienda xD
SALUDOS!!
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PRODUCTO NOTABLE
(a-b)(a-b) = a²-2ab+b²
-------------------------------
DEL PROBLEMA
(5x-2)(5x-2) = (5x)²-2(5x)(2)+(2)² ---> 25x²-20x+4
-----------------------------------------------------------------
eso es todo , espero se entienda xD
SALUDOS!!
25x^2-10x-10+4=
25x^2-20x+4