October 2018 2 112 Report
1)Al desarrollar (4m-3n)al cuadrado se obtiene como resultado:


a. 16m*2-12mn+9n*2
b. 16m*2+24mn+9n*2
c. 16m*2-24mn+9n*2
d. 16m*2-9n*2

(los * sig, al cuadrado)


2)La expresión algebraica que representa el cuadrado de la resta de dos números es:

a. (a*2-b*2)
b. 2 (a+b)
c. (a-b)*2
d. (a*2-b)
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