Answer:
{-5-2*x^2-(-15)=0}
Step-by-step explanation:
That's the answer i believe??
Answer:
20
Step-by-step explanation:
[tex]5 - 2 {x}^{2} = - 15 \\ = > - 2{x}^{2} = - 15 - 5 \\ = > \: 2 { x}^{2} = 20 \\ = > \: {x}^{2} = 10 \\ = > \: x = \sqrt{10} [/tex]
