What are the solutions to the equation 8a^2-72=0 ?

The solutions to the equation 8a^2-72=0 are a=3,a=-3

Find the zeros of 8a^2-72=0

The zeros of 8a^2-72=0 are a=3,a=-3

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8 a^{2} - 72 = 0

a = 3, a = - 3

Solution steps

8 a^{2} - 72 = 0

Move

72

to the right side

8 a^{2} = 72

Divide both sides by

8

a^{2} = 9

For

x^{2} = f (a)

the solutions are

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

a = 9, a = - 9

9 = 3

- 9 = - 3

a = 3, a = - 3

6 \cdot 46

\frac{9 w ^{3} x ^{3}}{27 w ^{2} x}

2 a^{4} + 8 a

2 x^{2} + 4 x + 25 = 0

(x - 4)^{2} = 49

What are the solutions to the equation 8a^2-72=0 ?
The solutions to the equation 8a^2-72=0 are a=3,a=-3
Find the zeros of 8a^2-72=0
The zeros of 8a^2-72=0 are a=3,a=-3