Question

What are the solutions to the equation x² = 256?

Choose all answers that are correct.









A.

128








B.

–128








C.

16








D.

–16

Answer 1

You have to make root square from both sides

Answer 2

And you will see what happens next

Answer 3

\[x^2-256=0\]
\[a^2-b^2=\left( a+b \right)\left( a-b \right)\]

Answer 4

its easy