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Solve the quadratic equation $-5x^2-10x-4=0$

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$x=-\frac{89}{161},\:x=-1.447214$
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 Step-by-step Solution 

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For a simpler handling of the equation, change the sign of all terms, multiplying the entire whole by $-1$

$5x^2+10x+4=0$

Learn how to solve quadratic equations problems step by step online.

$5x^2+10x+4=0$

Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation -5x^2-10x+-4=0. For a simpler handling of the equation, change the sign of all terms, multiplying the entire whole by -1. Use the complete the square method to factor the trinomial of the form ax^2+bx+c. Take common factor a (5) to all terms. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+2xx+1.

$x=-\frac{89}{161},\:x=-1.447214$

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1
2
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4
5
6
7
8
9
0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
2

e
π
ln
log
log
lim
d/dx
Dx
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

The quadratic equations (or second degree equations) are those equations where the greatest exponent to which the unknown is raised is the exponent 2.

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