Splitting the Middle Term

The diamond method works because the two numbers split the middle term into two parts, converting a trinomial into a four-term polynomial factorable by grouping.


Loading notebook...

This may take a moment on first load


Feynman technique

Learn with the Feynman Technique

Explain each idea in your own words in handwriting, then upload a photo for AI critique. Two attempts per question — there's no "right" answer, only depth of understanding.