What are the solutions to the equation a^2=81 ?

The solutions to the equation a^2=81 are a=9,a=-9

Find the zeros of a^2=81

The zeros of a^2=81 are a=9,a=-9

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a^{2} = 81

a = 9, a = - 9

Solution steps

a^{2} = 81

For

x^{2} = f (a)

the solutions are

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

a = 81, a = - 81

81 = 9

- 81 = - 9

a = 9, a = - 9

x^{4} + 4 x^{3} - 64 x - 256

x^{2} = 0.25

194 = 9 x + 68

x - 8 = 3 x + 2

\frac{( x + 2 ) ^{2}}{( x - 3 ) ( x - 7 )} \leq 0

What are the solutions to the equation a^2=81 ?
The solutions to the equation a^2=81 are a=9,a=-9
Find the zeros of a^2=81
The zeros of a^2=81 are a=9,a=-9