Simplifying Expressions
🎬 Video Tutorial
(0:09) Expanding Brackets: Use the distributive law to eliminate brackets by multiplying each term inside by the term outside. For example, $2(3 + x)$ expands to $6 + 2x$.(0:35) Collecting Like Terms: Combine terms that have the same variable by adding or subtracting their coefficients. For example, $-5x + 2x$ simplifies to $-3x$.(2:25) Handling Negative Signs in Brackets: When a negative sign is in front of brackets, treat it as multiplying by $-1$ to reverse the signs of all terms inside the brackets.
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