What are the solutions to the equation -4x^2=36 ?

The solutions to the equation -4x^2=36 are x=3i,x=-3i

Find the zeros of -4x^2=36

The zeros of -4x^2=36 are x=3i,x=-3i

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- 4 x^{2} = 36

x = 3 i, x = - 3 i

Solution steps

- 4 x^{2} = 36

Divide both sides by

- 4

x^{2} = - 9

For

x^{2} = f (a)

the solutions are

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

x = - 9, x = - - 9

- 9 = 3 i

- - 9 = - 3 i

x = 3 i, x = - 3 i

3 x^{2} + 15 x - 21 = 0

576 x - 96 x^{2} = 0

5^{2} + x^{2} = 8^{2}

- x^{2} - x + 20 = 0

y^{2} - 9 y + 20 = 0

What are the solutions to the equation -4x^2=36 ?
The solutions to the equation -4x^2=36 are x=3i,x=-3i
Find the zeros of -4x^2=36
The zeros of -4x^2=36 are x=3i,x=-3i