Respuesta :

apologiabiology
false

because
(a+b)(c+d)=ab+bc+ad+bc
we look at bd

(x+3)(x+1)
bd=3*1=3

the last number is 4
not 3
if we were to expand it we would get
x²+4x+3



false
Steel42
False, the first one shows multiplication while the other just shows addition

Hope I helped ;)

Otras preguntas