8x^2+9x+5=0

Simple and best practice solution for 8x^2+9x+5=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 8x^2+9x+5=0 equation:


Simplifying
8x2 + 9x + 5 = 0

Reorder the terms:
5 + 9x + 8x2 = 0

Solving
5 + 9x + 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'.
0.625 + 1.125x + x2 = 0

Move the constant term to the right:

Add '-0.625' to each side of the equation.
0.625 + 1.125x + -0.625 + x2 = 0 + -0.625

Reorder the terms:
0.625 + -0.625 + 1.125x + x2 = 0 + -0.625

Combine like terms: 0.625 + -0.625 = 0.000
0.000 + 1.125x + x2 = 0 + -0.625
1.125x + x2 = 0 + -0.625

Combine like terms: 0 + -0.625 = -0.625
1.125x + x2 = -0.625

The x term is 1.125x.  Take half its coefficient (0.5625).
Square it (0.31640625) and add it to both sides.

Add '0.31640625' to each side of the equation.
1.125x + 0.31640625 + x2 = -0.625 + 0.31640625

Reorder the terms:
0.31640625 + 1.125x + x2 = -0.625 + 0.31640625

Combine like terms: -0.625 + 0.31640625 = -0.30859375
0.31640625 + 1.125x + x2 = -0.30859375

Factor a perfect square on the left side:
(x + 0.5625)(x + 0.5625) = -0.30859375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| r/3+9=15 | | 1y+5-2y=4 | | -x+1=1+5x | | 40+x=90 | | 9/5p=84 | | -3(5p+3)= | | 5(8-7+7)=7p(17-5) | | 3/4n-18-1/4n-4 | | c=1.06p | | 12x^2-8x+5=0 | | x+5/4=-1 | | 7+2x-3x=3 | | (8y)+(5*48)=((y+5)*23) | | 3x^2+11x+11=0 | | 7x+(5x+8)=15 | | 2/3x+7=4/3+6 | | -(2x-8)-(8x-3)+3=-8(x-6)-(4x+6)+9 | | x+40=90 | | -4.55+x=6.32 | | 0=10(n+3) | | -7-6x+5x=1 | | x-40=90 | | 7p+8=3p-20 | | 4-4x=x-16 | | 7=10000000000000000000000000000000000000 | | -32x-94= | | 12=(-3/2)x | | 7x+1=-2x+91 | | 3x^4-6x^2-24=0 | | -10k+6=166 | | x(8x+4)=3x^2-2x+27 | | 7(5x+5)=-35 |

Equations solver categories