Calcula haciendo formulas notables
a) (x+5)^2
b) (x-3)^2
c) (2x-4)^2
d) (3x-2)(3x+2)
a) (x+5)^2
b) (x-3)^2
c) (2x-4)^2
d) (3x-2)(3x+2)
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a) (X+5)^2 X^2 + 2.X.5 + 5^2 X^2 + 10X + 25 b) (X-3)^2 X^2 - 2.X.3 + 3^2 X^2 - 6X + 9 c) (2X-4)^2 (2X)^2 - 2.2X.4 + 4^2 4X^2 -16X + 16 d) (3X-2)(3X+2) 9X+6X-6X-4 9X-4