Solve the cubic equation using factoring and the quadratic formula.
-$$x ^ { 2 } = - 25$$
A) $\pm \sqrt { 5 }$
B) $\pm 5 \mathrm { i }$
C) $\pm 5$
D) $\pm i \sqrt { 5 }$

Question

Quizplus · Accepted Answer

The equation given is $x^2 = -25$, which can be rewritten as $x^2 + 25 = 0$. Solving for $x$ gives $x = \pm \sqrt{-25}$, which simplifies to $x = \pm 5i$, where $i$ is the imaginary unit.

Solve the Cubic Equation Using Factoring and the Quadratic Formula x2=−25x ^ { 2 } = - 25x2=−25

Solve the Cubic Equation Using Factoring and the Quadratic Formula $x ^ { 2 } = - 25$