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How would you factor x squared plus 4? - Answers

(X^2) + 4 = 0(X^2) = -4X = +/- 2i(X+2i)(X-2i)This can't be factorised easily. The above method is the factorisation for (X^2) - 4,and is also the difference of two squares (9-4) = (3+2)(3-2) etc...



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How would you factor x squared plus 4? - Answers

https://math.answers.com/basic-math/How_would_you_factor_x_squared_plus_4

(X^2) + 4 = 0(X^2) = -4X = +/- 2i(X+2i)(X-2i)This can't be factorised easily. The above method is the factorisation for (X^2) - 4,and is also the difference of two squares (9-4) = (3+2)(3-2) etc...



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https://math.answers.com/basic-math/How_would_you_factor_x_squared_plus_4

How would you factor x squared plus 4? - Answers

(X^2) + 4 = 0(X^2) = -4X = +/- 2i(X+2i)(X-2i)This can't be factorised easily. The above method is the factorisation for (X^2) - 4,and is also the difference of two squares (9-4) = (3+2)(3-2) etc...

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      (X^2) + 4 = 0(X^2) = -4X = +/- 2i(X+2i)(X-2i)This can't be factorised easily. The above method is the factorisation for (X^2) - 4,and is also the difference of two squares (9-4) = (3+2)(3-2) etc...

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