What are the solutions to the equation 2r^2-72=0 ?

The solutions to the equation 2r^2-72=0 are r=6,r=-6

Find the zeros of 2r^2-72=0

The zeros of 2r^2-72=0 are r=6,r=-6

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2 r^{2} - 72 = 0

r = 6, r = - 6

Solution steps

2 r^{2} - 72 = 0

Move

72

to the right side

2 r^{2} = 72

Divide both sides by

2

r^{2} = 36

For

x^{2} = f (a)

the solutions are

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

r = 36, r = - 36

36 = 6

- 36 = - 6

r = 6, r = - 6

- 3 x^{2} + 12 x - 5 = 0

2 x^{2} - 10 x + 8

2 x^{2} - 10 x + 3

x^{2} + (- \frac{1}{6})^{2} = 1^{2}

(X + 2) (X - 3) + 2 (3 X - 4) = 3 X + 1

What are the solutions to the equation 2r^2-72=0 ?
The solutions to the equation 2r^2-72=0 are r=6,r=-6
Find the zeros of 2r^2-72=0
The zeros of 2r^2-72=0 are r=6,r=-6