ng986223 ng986223

23-01-2019
Mathematics

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What are the roots of f(x)=x^2-25

What are the roots of fxx225 class=

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wegnerkolmp2741o wegnerkolmp2741o

23-01-2019

Answer:

x = ±5

Step-by-step explanation:

To find the roots, set the equation equal to zero

x^2 -25 =0

Add 25 to each side

x^2 =25

Take the square root of each side

sqrt(x^2) = ±sqrt(25)

x = ±5

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