What are the solutions to the equation -4.5x^2+72=0 ?

The solutions to the equation -4.5x^2+72=0 are x=4,x=-4

Find the zeros of -4.5x^2+72=0

The zeros of -4.5x^2+72=0 are x=4,x=-4

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- 4.5 x^{2} + 72 = 0

x = 4, x = - 4

Solution steps

- 4.5 x^{2} + 72 = 0

Move

72

to the right side

- 4.5 x^{2} = - 72

Divide both sides by

- 4.5

x^{2} = 16

For

x^{2} = f (a)

the solutions are

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

x = 16, x = - 16

16 = 4

- 16 = - 4

x = 4, x = - 4

464

10 x^{2} + 71 x + 7

x^{7} - 256 x^{3}

(x + 7)^{4} \leq 0

∣ 7 x + 5 ∣ = 30

What are the solutions to the equation -4.5x^2+72=0 ?
The solutions to the equation -4.5x^2+72=0 are x=4,x=-4
Find the zeros of -4.5x^2+72=0
The zeros of -4.5x^2+72=0 are x=4,x=-4