What is the answer to x^{2/3}-8=-4 ?

The answer to x^{2/3}-8=-4 is x=8,x=-8

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

x^{2/3}-8=-4

x^{\frac{2}{3}} - 8 = - 4

x = 8, x = - 8

Solution steps

x^{\frac{2}{3}} - 8 = - 4

Move

8

to the right side

x^{\frac{2}{3}} = 4

Take both sides of the equation to the power of

3 : x^{2} = 64

x^{2} = 64

Solve

x^{2} = 64 : x = 8, x = - 8

x = 8, x = - 8

Verify Solutions:

x = 8

True

, x = - 8

True

The solutions are

x = 8, x = - 8

3 - 3 x = 1 + 6 - 5 x

8 x^{0.25} (- 6) + 5 - 25 = 3

2 x - 1 = - 2 - x

5 - 4 x = x + 35

v - 5 = 23 - v