-3x+8x^2+1=0

Simple and best practice solution for -3x+8x^2+1=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -3x+8x^2+1=0 equation:


Simplifying
-3x + 8x2 + 1 = 0

Reorder the terms:
1 + -3x + 8x2 = 0

Solving
1 + -3x + 8x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
0.125 + -0.375x + x2 = 0

Move the constant term to the right:

Add '-0.125' to each side of the equation.
0.125 + -0.375x + -0.125 + x2 = 0 + -0.125

Reorder the terms:
0.125 + -0.125 + -0.375x + x2 = 0 + -0.125

Combine like terms: 0.125 + -0.125 = 0.000
0.000 + -0.375x + x2 = 0 + -0.125
-0.375x + x2 = 0 + -0.125

Combine like terms: 0 + -0.125 = -0.125
-0.375x + x2 = -0.125

The x term is -0.375x.  Take half its coefficient (-0.1875).
Square it (0.03515625) and add it to both sides.

Add '0.03515625' to each side of the equation.
-0.375x + 0.03515625 + x2 = -0.125 + 0.03515625

Reorder the terms:
0.03515625 + -0.375x + x2 = -0.125 + 0.03515625

Combine like terms: -0.125 + 0.03515625 = -0.08984375
0.03515625 + -0.375x + x2 = -0.08984375

Factor a perfect square on the left side:
(x + -0.1875)(x + -0.1875) = -0.08984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3(r-4)=3 | | -2b=10-8.58 | | 5h+9=4h+1 | | 3L+22=9l-20 | | 6-3f=18 | | 1.4t-12=-0.6t | | 1.4t-12=4x+23 | | x^2-2bx+a^2=0 | | 500+45(5)=y | | 500+45x=y | | 0.4xsquared-40x+360=0 | | z^2+4iz+5=0 | | x+5y/x | | 3(x-7)-4(x+2)=20 | | (x+5y)/x | | 4x-1=64 | | 7/11=x/45 | | 5x+0.9= | | 7x+0.2= | | 1/3(7x-1)=1/4 | | 81=9a | | 182/7+(5*11)=9a | | 12+144+20+6/7+(5*11)=9a | | 401.28+.2x=x | | -2+128=10 | | 5x-7=2x+12 | | 5x-14=x+14 | | x+13=39 | | 1/8x=8 | | Ifx-3=16 | | 6x+24=48 | | 40/85 |

Equations solver categories