August 2018 2 36 Report
9) Al resolver la ecuación: 5a + 7 = -13, el valor de a, es:

4
-4
5
-5

10) Al factorizar m2 +2m+1, se obtiene

(m+1) (m+1)
(m-1) (m-1)
(m+1) (m-1)
(m+2) (m-2)

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