solche
such
Refers to a type or quality that has already been mentioned or is known. It means 'of this kind' or 'such'.
Ich mag keine Horrorfilme; solche Filme machen mir Angst.
I don't like horror films; such films scare me.

such
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such
Refers to a type or quality that has already been mentioned or is known. It means 'of this kind' or 'such'.
Ich mag keine Horrorfilme; solche Filme machen mir Angst.
I don't like horror films; such films scare me.

'Solche' (such) comes before a noun and is declined like an adjective. It refers to a type or quality that is already known from the context.
Ich habe viele Bücher gelesen, aber solche Geschichten berühren mich besonders.
I have read many books, but such stories touch me especially deeply.
To strongly emphasize a quality, the form 'solch ein' (such a; masculine/neuter) or 'solch eine' (such a; feminine) is often used before the noun. The word 'solch' remains unchanged in this construction.
Das war solch ein schöner Tag!
That was such a beautiful day!
When 'solch' (such) is used for emphasis before an adjective, it also remains unchanged. The construction is then: solch + adjective + noun.
Er hat solch unglaubliches Glück im Spiel.
He has such incredible luck in games.
In its referring function, 'solche' (such) is often combined with general nouns to summarize a category. Typical examples are: solche Dinge (such things), solche Fälle (such cases), solche Leute (such people), or solche Situationen (such situations).
Solche Situationen erfordern eine schnelle Entscheidung.
Such situations require a quick decision.
such
'solche' and 'solch' mean very similar things: they refer to a particular kind or emphasize a quality. The words are easy to confuse because they look almost the same. The difference is mainly in their form within the sentence. 'solche' is an inflected form and often comes directly before a plural noun or in matching forms such as 'solche Fragen' (such questions). 'solch' often appears in combinations like 'solch ein Tag' (such a day) or sounds somewhat more elevated. In everyday language, 'so ein' is often even more natural, but 'solche' and 'solch' are both correct when the form fits.

Solche Fehler passieren am Anfang vielen Lernenden.
Such mistakes happen to many learners at the beginning.
Solch ein Angebot bekommt man nicht jeden Tag.
You don't get such an offer every day.