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5 Cards in this Set
- Front
- Back
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Formula for the square of a sum
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(a + b)^2 = a^2 + 2ab + b^2
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Formula for the square of a difference
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(a - b)^2 = a^2 - 2ab + b^2
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Formula for the product of a sum and a difference
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(a + b)(a - b) = a^2-b^2
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Formula for the difference of two squares
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a^2 - b^2 = (a + b)(a - b)
NOTE: The sum of two squares [a^2 + b^2] is prime. |
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Formula for perfect square trinomials
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a^2 + 2ab + b^2 = (a + b)^2
a^2 - 2ab + b^2 = (a - b)^2 |
