Math Problem Statement
3 -√15 + √21 - √35
Solution
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Math Problem Analysis
Mathematical Concepts
Radicals
Simplifying Square Roots
Addition and Subtraction of Radical Expressions
Formulas
No specific formulas, but knowledge of simplifying square roots and combining like terms is needed.
Theorems
Radical Expressions Theorem: Square roots can only be added or subtracted if the radicands (the numbers inside the square root) are the same.
Suitable Grade Level
Grades 8-10