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Solve the quadratic equation $2x^2+4x-3=8$

Step-by-step Solution

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$x=1.54951,\:x=-3.54951$
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 Step-by-step Solution 

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Group the terms of the equation by moving the terms that have the variable $x$ to the left side, and those that do not have it to the right side

$2x^2+4x=8+3$

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

$2x^2+4x=8+3$

Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation 2x^2+4x+-3=8. Group the terms of the equation by moving the terms that have the variable x to the left side, and those that do not have it to the right side. Add the values 8 and 3. Factor the polynomial 2x^2+4x by it's greatest common factor (GCF): 2x. Divide both sides of the equation by 2.

$x=1.54951,\:x=-3.54951$

 Explore different ways to solve this problem

Solving a math problem using different methods is important because it enhances understanding, encourages critical thinking, allows for multiple solutions, and develops problem-solving strategies. Read more

Solve for xFind the rootsSolve by factoringSolve by completing the squareSolve by quadratic formula (general formula)Find break even pointsFind the discriminant

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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.