Question

$\frac{3}{2} x^{2} +9= -15$ alguém me ajuda nessa equação

Answer 1

$\frac{3}{2}x^2 +9 = -15\\\\\frac{3}{2}x^2 = -15-9 \\\\\frac{3}{2} x^2 =-24\\ \\x^2=\frac{-24}{\frac{3}{2}} \\\\x^2=-16\\\\x\notin \mathbb{R}$