Question

Solve the equation using square roots. ="4x^{2} +9=0" alt="4x^{2} +9=0" align="absmiddle" class="latex-formula">

Answer 1

Isolating the variable terms and dividing by 4, we have $x^2=-\frac{9}{4}.$ Taking the square root, we have $\boxed{x=\frac{3i}{2},-\frac{3i}{2}}.$