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grade 11 · A2-008

Recognize a polynomial identity

Match expanded and factored structures by distribution rather than surface resemblance.

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Show what I knowFresh problem · seed 532415580

Which expression is identically equal to \(x^2-9\)?

x² − 3²≡equivalent factors?difference of squares

Choose an answer\((x-3)^2\)\((x+3)^2\)\((x-9)(x+1)\)\((x-3)(x+3)\)

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Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.