Question

need help-asap plz;
x *x+x=-25
what is the value of x.

Answer 1

x*x+x=-25
x^2+x=-25
add +25 for both sides
x^2+x+25=-25+25=0
\[\frac{ -b \pm \sqrt{b ^{2}-4ac} }{ 2a }\]

Answer 2

b=1
a=1
c=25

Answer 3

(-1+-sqrt(1-4*1*25))/2*1
-1/2+- sqrt(1-100)/2
-1/2+-sqrt(-99)/2