What are the solutions to the equation f^2=400 ?

The solutions to the equation f^2=400 are f=20,f=-20

Find the zeros of f^2=400

The zeros of f^2=400 are f=20,f=-20

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f^{2} = 400

f = 20, f = - 20

Solution steps

f^{2} = 400

For

x^{2} = f (a)

the solutions are

x = f (a), - f (a)

f = 400, f = - 400

400 = 20

- 400 = - 20

f = 20, f = - 20

3 x^{2} + 6 x + 5

5 x^{2} + 10 x + 50 = 0

h^{2} = 2^{2} + 2 2.3

3 x^{2} + 6 x - 7

x^{2} = 225

What are the solutions to the equation f^2=400 ?
The solutions to the equation f^2=400 are f=20,f=-20
Find the zeros of f^2=400
The zeros of f^2=400 are f=20,f=-20