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Remarkable Identities

English 9 Public

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Study Slideshow

(x+7)^2=

x^2 +14x +49

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(x-1)^2=

x^2 -2x +1

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(2x-5)(2x+5)=

4x^2 -25

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(3x-3)^2=

9x^2 -18x +9

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(10y+2)^2=

100y^2 -40y +4

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(2x+4)^2=

4x^2 +16x +16

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(8x-3)(x+2)=

8x^2 +13x -6

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(2x+1)(3x-1)=

6x^2 +x -1

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(3x-5)^2=

9x^2 -30x +25

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