What are the solutions to the equation x^2+81=0 ?

The solutions to the equation x^2+81=0 are x=9i,x=-9i

Find the zeros of x^2+81=0

The zeros of x^2+81=0 are x=9i,x=-9i

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x^{2} + 81 = 0

x = 9 i, x = - 9 i

Solution steps

x^{2} + 81 = 0

Move

81

to the right side

x^{2} = - 81

For

x^{2} = f (a)

the solutions are

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

x = - 81, x = - - 81

- 81 = 9 i

- - 81 = - 9 i

x = 9 i, x = - 9 i

4 (- 1) + 3

3 r^{7} t^{7} - 6 r^{8} t^{6}

a^{2} - 144

2 1^{2}

7 (5 x + 9) = - (x - 9)

What are the solutions to the equation x^2+81=0 ?
The solutions to the equation x^2+81=0 are x=9i,x=-9i
Find the zeros of x^2+81=0
The zeros of x^2+81=0 are x=9i,x=-9i