Question

A.(x-2)(x+2)=(x^2-2^2)=(x^2-4)
b.(a+3)(a-3)=(a^2-3^2)=(a^2-9)
c.(2x-5)(2x+5)=(2x^2-5^2)=(4x^2-25)
d.(3x+2)(3x-2)=(3x^2-2^2)=(9^2-4)
e.(3x+y)(3x-y)= (3x^2-y^2)=(9x^2-y2)
f. (5x-2)(5x+2)=(5x^2-2^2)=(25x^2-4)
g.(7a-b)(7a+b)=(7a^2-b^2)=(49a^2-b2)
h.(5x+10y)(5x-10y)=(5x^2-10y^2)=(25x^2-100y)


BUENAS AMIG@S ALGUIEN QUE ME DIGA QUE SIGNIFICA ESTE SIGNO ^

Answer 1

Respuesta:

Potencia, elevación (x-2)(x+2)=(x²-2²)=(x²-4)