What are the solutions to the equation w^2-84=0 ?

The solutions to the equation w^2-84=0 are w=2sqrt(21),w=-2sqrt(21)

Find the zeros of w^2-84=0

The zeros of w^2-84=0 are w=2sqrt(21),w=-2sqrt(21)

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w^{2} - 84 = 0

w = 221, w = - 221

Decimal Notation

w = 9.16515 \dots, w = - 9.16515 \dots

Solution steps

w^{2} - 84 = 0

Move

84

to the right side

w^{2} = 84

For

x^{2} = f (a)

the solutions are

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

w = 84, w = - 84

84 = 221

- 84 = - 221

w = 221, w = - 221

3 x (x - 1) = 0

x^{2} - 5 x = 0

2 x^{2} - 9 x + 2 = - 1

x^{2} - \frac{5}{3} x - 26 = 0

y, 2 y^{2} - x^{2} + x^{3} y = 2

What are the solutions to the equation w^2-84=0 ?
The solutions to the equation w^2-84=0 are w=2sqrt(21),w=-2sqrt(21)
Find the zeros of w^2-84=0
The zeros of w^2-84=0 are w=2sqrt(21),w=-2sqrt(21)