What are the solutions to the equation 5x^2-20=0 ?

The solutions to the equation 5x^2-20=0 are x=2,x=-2

Find the zeros of 5x^2-20=0

The zeros of 5x^2-20=0 are x=2,x=-2

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5 x^{2} - 20 = 0

x = 2, x = - 2

Solution steps

5 x^{2} - 20 = 0

Move

20

to the right side

5 x^{2} = 20

Divide both sides by

5

x^{2} = 4

For

x^{2} = f (a)

the solutions are

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

x = 4, x = - 4

4 = 2

- 4 = - 2

x = 2, x = - 2

7 x^{2} + 5 = 0

\frac{5}{\frac{19}{6}}

\frac{2}{2}

(3 + 2 i) - (3 - 2 i)

2 ∣ x + 9 ∣ - 4 = 12

What are the solutions to the equation 5x^2-20=0 ?
The solutions to the equation 5x^2-20=0 are x=2,x=-2
Find the zeros of 5x^2-20=0
The zeros of 5x^2-20=0 are x=2,x=-2