What are the solutions to the equation 3w^2-84=0 ?

The solutions to the equation 3w^2-84=0 are w=2sqrt(7),w=-2sqrt(7)

Find the zeros of 3w^2-84=0

The zeros of 3w^2-84=0 are w=2sqrt(7),w=-2sqrt(7)

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3 w^{2} - 84 = 0

w = 27, w = - 27

Decimal Notation

w = 5.29150 \dots, w = - 5.29150 \dots

Solution steps

3 w^{2} - 84 = 0

Move

84

to the right side

3 w^{2} = 84

Divide both sides by

3

w^{2} = 28

For

x^{2} = f (a)

the solutions are

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

w = 28, w = - 28

28 = 27

- 28 = - 27

w = 27, w = - 27

2 x^{2} - 17 x - 30 = 0

- 90 x^{2} + 1530 x - 6300 = 0

300 = x^{2} + 2 x

0 = (x - 5)^{2} + 4 (x - 5) + 4

8 n^{2} - 3 = 37

What are the solutions to the equation 3w^2-84=0 ?
The solutions to the equation 3w^2-84=0 are w=2sqrt(7),w=-2sqrt(7)
Find the zeros of 3w^2-84=0
The zeros of 3w^2-84=0 are w=2sqrt(7),w=-2sqrt(7)