What are the solutions to the equation 2x^2+13=255 ?

The solutions to the equation 2x^2+13=255 are x=11,x=-11

Find the zeros of 2x^2+13=255

The zeros of 2x^2+13=255 are x=11,x=-11

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2 x^{2} + 13 = 255

x = 11, x = - 11

Solution steps

2 x^{2} + 13 = 255

Move

13

to the right side

2 x^{2} = 242

Divide both sides by

2

x^{2} = 121

For

x^{2} = f (a)

the solutions are

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

x = 121, x = - 121

121 = 11

- 121 = - 11

x = 11, x = - 11

- 5 = q (- 0.01 q - 0.4)

2 x^{2} - 2 x + 50 = 0

(2 k + 3) x^{2} - 5 x + k + 7 = 0

9 x^{2} + 36 x + 11 = 0

9000 + 25 x + \frac{1}{2} x^{2} = (255 - \frac{1}{2} x) x

What are the solutions to the equation 2x^2+13=255 ?
The solutions to the equation 2x^2+13=255 are x=11,x=-11
Find the zeros of 2x^2+13=255
The zeros of 2x^2+13=255 are x=11,x=-11