Question

I will give u brainliest

Answer 1

Answer:

u = 3

Step-by-step explanation:

${u}^{3} = 27$

${3}^{3} = 27$

$3 \times 3 \times 3 = 27$

Answer 2

Answer:

u = 3 , − 3 − 3 i √ 3 /2 , − 3 + 3 i √ 3 /2

Step-by-step explanation:

Factor using difference of cubes and set each factor equal to  0 .