Question

5-2x2=-15 what is the answer

Answer 1

Answer:

20

Step-by-step explanation:

$5 - 2 {x}^{2} = - 15 \\ = > - 2{x}^{2} = - 15 - 5 \\ = > \: 2 { x}^{2} = 20 \\ = > \: {x}^{2} = 10 \\ = > \: x = \sqrt{10}$

Answer 2

Answer:

{-5-2*x^2-(-15)=0}

Step-by-step explanation:

That's the answer i believe??