x^2-3.5x+3.12=0

Simple and best practice solution for x^2-3.5x+3.12=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 x^2-3.5x+3.12=0 equation: 


Simplifying
x2 + -3.5x + 3.12 = 0

Reorder the terms:
3.12 + -3.5x + x2 = 0

Solving
3.12 + -3.5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-3.12' to each side of the equation.
3.12 + -3.5x + -3.12 + x2 = 0 + -3.12

Reorder the terms:
3.12 + -3.12 + -3.5x + x2 = 0 + -3.12

Combine like terms: 3.12 + -3.12 = 0.00
0.00 + -3.5x + x2 = 0 + -3.12
-3.5x + x2 = 0 + -3.12

Combine like terms: 0 + -3.12 = -3.12
-3.5x + x2 = -3.12

The x term is -3.5x.  Take half its coefficient (-1.75).
Square it (3.0625) and add it to both sides.

Add '3.0625' to each side of the equation.
-3.5x + 3.0625 + x2 = -3.12 + 3.0625

Reorder the terms:
3.0625 + -3.5x + x2 = -3.12 + 3.0625

Combine like terms: -3.12 + 3.0625 = -0.0575
3.0625 + -3.5x + x2 = -0.0575

Factor a perfect square on the left side:
(x + -1.75)(x + -1.75) = -0.0575

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x^2+7x+19=7 | | -(3x-15)+2(6x+6)= | | -41=n-78 | | 2y=-2y-1 | | h=3a+26 | | -1n=5+1.8 | | j-66=-62 | | -5a-11=-4a+14 | | 27+2x+x=90 | | -7u=42 | | 2/5x+0=9+(-5) | | (3x+2)-(x+2)=(7x-12)-(3x+2) | | r+-66=-32 | | f(x)=1000 | | LogX^2+3x=1 | | 56=7z | | -3(4n-2.25)-2.25(n+2.333)=-2n-0.333 | | .50k-6=28+4k | | -10f=-90 | | 8r^2-10=-450 | | 3.34x-2y-3.34xy=0 | | 90=-5z | | 24x-42= | | f+1.96=8.16 | | 4s-23=9-4s | | 8x^2+22x-5=0 | | g-1.61=3.09 | | 2x+1+33=180 | | 4x^2-32x+9x^2-36y+64=0 | | t+1.45=16.14 | | -48n=96 | | 14-(x-6)=x |

Equations solver categories