Question

(x^2 + 2) * (3*x^2 -0.75) = 0

Answer 1

\(\Rightarrow3x^2-0,75=0\left(x^2+2>0\right)\\ \Rightarrow x^2=\dfrac{3}{4}:3=\dfrac{1}{4}\Rightarrow\left[{}\begin{matrix}x=\dfrac{1}{2}\\x=-\dfrac{1}{2}\end{matrix}\right.\)

Answer 2