What are the solutions to the equation a^3-1=7 ?

The solutions to the equation a^3-1=7 are a=2,a=-1+sqrt(3)i,a=-1-sqrt(3)i

Find the zeros of a^3-1=7

The zeros of a^3-1=7 are a=2,a=-1+sqrt(3)i,a=-1-sqrt(3)i

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a^{3} - 1 = 7

a = 2, a = - 1 + 3 i, a = - 1 - 3 i

Solution steps

a^{3} - 1 = 7

Move

1

to the right side

a^{3} = 8

For

x^{3} = f (a)

the solutions are

Simplify

a = 2, a = - 1 + 3 i, a = - 1 - 3 i

2 x^{3} - 6 x^{2} + 3 = 0

z^{3} + 27 i = 0

x^{4} + x^{3} + x^{2} + 1 = 0

- 2 x (- x^{2} + 3) = 0

x^{3} - 10 x^{2} + 9 x = 0

What are the solutions to the equation a^3-1=7 ?
The solutions to the equation a^3-1=7 are a=2,a=-1+sqrt(3)i,a=-1-sqrt(3)i
Find the zeros of a^3-1=7
The zeros of a^3-1=7 are a=2,a=-1+sqrt(3)i,a=-1-sqrt(3)i