Question

Multiplicar: (a + b) (c + d) – bc – bd

Answer 1

Respuesta:

a(c+d)

Explicación paso a paso:

(a + b) (c + d) – bc – bd

(a + b) (c + d) – b(c+d )

(c + d) – (a+b-b)

a(c+d)

c o r o n a