kyrafox1920 kyrafox1920

06-05-2020
Mathematics

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Factor 4x^3-400x thanks a lot

Factor 4x3400x thanks a lot class=

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wegnerkolmp2741o wegnerkolmp2741o

06-05-2020

Answer:

4x(x-10)(x+10)

Step-by-step explanation:

4x^3-400x

Factor out 4x

4x(x^2-100)

We know that x^2-100 is the difference of squares

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

4x(x^2-100)= 4x(x^2 -10^2)

4x(x-10)(x+10)

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