WZORY SKROCONEGO MNOZENIA

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Question		Answer
(a + b)² = start learning		a² + 2ab + b²
(a - b)² =? start learning		a² - 2ab + b²
a2-b2=? start learning		(a + b)(a-b)
(a + b)^3 =? start learning		a^3 + 3a^2b + 3ab^2 + b^3
a^3 + b^3=? start learning		(a + b)(a^2 - ab + b^2)
a^3 - 3a^2b + 3ab^2 - b^3 start learning		a^3 - 3a^2b + 3ab^2 - b^3
a^3 - b^3 start learning		(a - b)(a^2 + ab + b^2)

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