What are the solutions to the equation 2n^2-9=119 ?

The solutions to the equation 2n^2-9=119 are n=8,n=-8

Find the zeros of 2n^2-9=119

The zeros of 2n^2-9=119 are n=8,n=-8

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2 n^{2} - 9 = 119

n = 8, n = - 8

Solution steps

2 n^{2} - 9 = 119

Move

9

to the right side

2 n^{2} = 128

Divide both sides by

2

n^{2} = 64

For

x^{2} = f (a)

the solutions are

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

n = 64, n = - 64

64 = 8

- 64 = - 8

n = 8, n = - 8

- 5 x^{2} + 7 x = 0

x, x^{2} - 11 x + 18 = 0

(x + 10) (x - 9) = - 78

x (x + 2) + 3 (x + 2) = 0

- 4 x^{2} + 24 x - 41 = 0

What are the solutions to the equation 2n^2-9=119 ?
The solutions to the equation 2n^2-9=119 are n=8,n=-8
Find the zeros of 2n^2-9=119
The zeros of 2n^2-9=119 are n=8,n=-8