8x^2-7x+5=0

Simple and best practice solution for 8x^2-7x+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^2-7x+5=0 equation:


Simplifying
8x2 + -7x + 5 = 0

Reorder the terms:
5 + -7x + 8x2 = 0

Solving
5 + -7x + 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 + -0.875x + x2 = 0

Move the constant term to the right:

Add '-0.625' to each side of the equation.
0.625 + -0.875x + -0.625 + x2 = 0 + -0.625

Reorder the terms:
0.625 + -0.625 + -0.875x + x2 = 0 + -0.625

Combine like terms: 0.625 + -0.625 = 0.000
0.000 + -0.875x + x2 = 0 + -0.625
-0.875x + x2 = 0 + -0.625

Combine like terms: 0 + -0.625 = -0.625
-0.875x + x2 = -0.625

The x term is -0.875x.  Take half its coefficient (-0.4375).
Square it (0.19140625) and add it to both sides.

Add '0.19140625' to each side of the equation.
-0.875x + 0.19140625 + x2 = -0.625 + 0.19140625

Reorder the terms:
0.19140625 + -0.875x + x2 = -0.625 + 0.19140625

Combine like terms: -0.625 + 0.19140625 = -0.43359375
0.19140625 + -0.875x + x2 = -0.43359375

Factor a perfect square on the left side:
(x + -0.4375)(x + -0.4375) = -0.43359375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 8x+9y=16 | | -x+3=6(x+4)-7x | | Ax+6=y | | 1/6=y/-3 | | 25/2(w-1)=15 | | 5x+6+4y=3y-7x | | 8.2a+11=93 | | 4(4x-1)=2x+1+x+2 | | 4-5x=3+1x | | -4/7-7/3 | | 14x=7.8 | | 2x+7y+z+3y= | | 2b/3+8=-20 | | 8(3n+4)=7(7n+8)+6 | | 8r-6s=90 | | 15x^4-35x^5=5x^4 | | 7x+18-6x=-3-12 | | 0.15n+0.03(8000-n)=576 | | 10=-4+4n | | 28q+70=2q+9 | | -4x-x=9+x | | 7.25*1.3= | | 58y=19(3y+23) | | Y=100-60x | | 3.2=0.8-z | | 17y+7=9y+79 | | 5x/5x+20 | | 15w-19w=-12 | | (1/3x-7)=5 | | 3x-8+4x=16 | | 20+8(q-11)=-16 | | -6-8=-3+x |

Equations solver categories