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Common Core: Standard

Common Core: ELA

CCLS - Math: A.SSE.2

Seeing Structure In Expressions
Interpret The Structure Of Expressions
State Standard:
Use the structure of an expression to identify ways to rewrite it. For example, see x4 – y4 as (x2)2 – (y2)2, thus recognizing it as a difference of squares that can be factored as (x2 – y2)(x2 + y2).