3.Important Algebraic Formulas Flashcards

1
Q

(a + b)^2

A

a^2 + 2ab + b^2

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2
Q

(a - b)^2

A

a^2 - 2ab + b^2

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3
Q

(a^2 - b^2)

A

(a + b)(a - b)

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4
Q

(a + b + c)^2

A

a^2 + b^2 + c^2 + 2ab + 2ac + 2bc

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5
Q

(a + b)^3

A

a^3 + 3a^2b + 3ab^2 + b^3

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6
Q

(a - b)^3

A

a^3 - 3a^2b + 3ab^2 - b^3

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7
Q

(a^3 + b^3)

A

(a + b)(a^2 - ab + b^2)

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8
Q

a^3 - b^3

A

(a - b)(a^2 + ab + b^2)

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