Respuesta :

(3h−5)(5h+4)

=(3h+−5)(5h+4)

=(3h)(5h)+(3h)(4)+(−5)(5h)+(−5)(4)

=15h^2+12h−25h−20

=15h^2−13h−20

Answer:

15h2 − 13h − 20

Step-by-step explanation:

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