Question

2x^2+10x=-1

Answer 1

use the formula no!!

Answer 2

rewrite the equation

2x^2 + 10x + 1 = 0

needs the general quadratic formula

\[x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\]

in your question you have a = 2, b = 10 and c = 1

substitute and evaluate to find your answers

Answer 3

ok i got the answer but with a -10 how does it turn to -5