What are the solutions to the equation 8x^2=40 ?

The solutions to the equation 8x^2=40 are x=sqrt(5),x=-sqrt(5)

Find the zeros of 8x^2=40

The zeros of 8x^2=40 are x=sqrt(5),x=-sqrt(5)

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8 x^{2} = 40

x = 5, x = - 5

Decimal Notation

x = 2.23606 \dots, x = - 2.23606 \dots

Solution steps

8 x^{2} = 40

Divide both sides by

8

x^{2} = 5

For

x^{2} = f (a)

the solutions are

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

x = 5, x = - 5

x, x^{2} + k x - 8 = 0

7 x^{2} - 63 = 0

- r^{2} - r + 12 = 0

0 = 3.7 (x - 8)^{2} - 5

x^{2} + \frac{2}{3} x = 0

What are the solutions to the equation 8x^2=40 ?
The solutions to the equation 8x^2=40 are x=sqrt(5),x=-sqrt(5)
Find the zeros of 8x^2=40
The zeros of 8x^2=40 are x=sqrt(5),x=-sqrt(5)