Respuesta :
The mistake here is that Carlos did not correctly use the distributive property (in fact, he didn't use it at all.)
14(49)
14(40 + 9)
Multiply both 40 and 9 by 14, then add them again.
14(40)+14(9)
560+126
686 is the correct answer.
14(49)
14(40 + 9)
Multiply both 40 and 9 by 14, then add them again.
14(40)+14(9)
560+126
686 is the correct answer.