Question

(7n+3) (7n-2) me pedesn ayudar

Answer 1

Respuesta:

Explicación paso a paso:

(7n+3)(7n−2)

=(7n+3)(7n+−2)

=(7n)(7n)+(7n)(−2)+(3)(7n)+(3)(−2)

=49n2−14n+21n−6

=49n2+7n−6