Question

Expresar en forma de producto las siguientes sumas
3+3+3+3
(-7)+(-7)+(-7)
2a+2a+2a+2a
m+m+m+n+n

Answer 1

3+3+3+3 = 3(1+1+1+1) = 3(4) = 12


(-7)+(-7)+(-7)= (-7)(1+1+1) = (-7)(3) = -21


2a+2a+2a+2a = 2a(1+1+1+1) = 2a(4) = 8a



m + m + m + n + n
m (1+1+1) + n(1+1)
m(3) + n(2)
3m + 2n