What are the solutions to the equation -8x^2+13=-1139 ?

The solutions to the equation -8x^2+13=-1139 are x=12,x=-12

Find the zeros of -8x^2+13=-1139

The zeros of -8x^2+13=-1139 are x=12,x=-12

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- 8 x^{2} + 13 = - 1139

x = 12, x = - 12

Solution steps

- 8 x^{2} + 13 = - 1139

Move

13

to the right side

- 8 x^{2} = - 1152

Divide both sides by

- 8

x^{2} = 144

For

x^{2} = f (a)

the solutions are

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

x = 144, x = - 144

144 = 12

- 144 = - 12

x = 12, x = - 12

11 x^{2} + 30 x - 1 = 0

6 x^{2} - 96 x + 438 = 0

(x - 3)^{2} = - 27

x, x^{2} = 8

0 = - 16 x^{2} + 16 x + 32

What are the solutions to the equation -8x^2+13=-1139 ?
The solutions to the equation -8x^2+13=-1139 are x=12,x=-12
Find the zeros of -8x^2+13=-1139
The zeros of -8x^2+13=-1139 are x=12,x=-12