What are the solutions to the equation roots r^2-9 ?

The solutions to the equation roots r^2-9 are r=3,r=-3

Find the zeros of roots r^2-9

The zeros of roots r^2-9 are r=3,r=-3

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roots

r^{2} - 9

r = 3, r = - 3

Solution steps

r^{2} - 9

The roots are the intercepts with the x-axis

(y = 0)

r^{2} - 9 = 0

Move

9

to the right side

r^{2} = 9

For

x^{2} = f (a)

the solutions are

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

r = 9, r = - 9

9 = 3

- 9 = - 3

r = 3, r = - 3

x^{2} - 2 x + 1 = 144

x^{2} + 0.48 x - 0.0276 = 0

x^{2} - 1600 x + 3400 = 0

3 x^{2} = - 5 x - 2

x^{2} = 5^{2}

What are the solutions to the equation roots r^2-9 ?
The solutions to the equation roots r^2-9 are r=3,r=-3
Find the zeros of roots r^2-9
The zeros of roots r^2-9 are r=3,r=-3