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

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

Find the zeros of y^2=81

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

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y^{2} = 81

y = 9, y = - 9

Solution steps

y^{2} = 81

For

x^{2} = f (a)

the solutions are

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

y = 81, y = - 81

81 = 9

- 81 = - 9

y = 9, y = - 9

x^{4} - 3 x^{2} - 54

7 x = 6 x - 4

16 x^{3} - 4 x^{2}

∣ x + 4 ∣ = 6

6 x^{2} + 18 = 0

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