expanded

fe’l verb

1. To change (something) from a smaller form and/or size to a larger one; to spread out or lay open. You can expand this compact umbrella to cover a large table.
2. To increase the extent, number, volume or scope of (something). A flower expands its leaves.
3. To rewrite (an expression) as a longer, yet equivalent sum of terms. Use the binomial theorem to expand {(x+1)}^4.
4. (of an expression) To become, by rewriting, a longer, yet equivalent sum of terms. The expression {(x+1)}^4 expands to x^4 + 4x^3 + 6x^2 + 4x + 1.