What are the solutions to the equation X^2=21 ?

The solutions to the equation X^2=21 are X=sqrt(21),X=-sqrt(21)

Find the zeros of X^2=21

The zeros of X^2=21 are X=sqrt(21),X=-sqrt(21)

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X^{2} = 21

X = 21, X = - 21

Decimal Notation

X = 4.58257 \dots, X = - 4.58257 \dots

Solution steps

X^{2} = 21

For

x^{2} = f (a)

the solutions are

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

X = 21, X = - 21

5 x^{2} - 4 x - 9 = 0

lo g_{10} (10)

∣ 4 x - 1 ∣ > 7

- 4 x < - 32 x + 168

5 x^{2} + 12 x = - 2

What are the solutions to the equation X^2=21 ?
The solutions to the equation X^2=21 are X=sqrt(21),X=-sqrt(21)
Find the zeros of X^2=21
The zeros of X^2=21 are X=sqrt(21),X=-sqrt(21)