.1x^2-.4x+2.938=0

Simple and best practice solution for .1x^2-.4x+2.938=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 .1x^2-.4x+2.938=0 equation:


Simplifying
0.1x2 + -0.4x + 2.938 = 0

Reorder the terms:
2.938 + -0.4x + 0.1x2 = 0

Solving
2.938 + -0.4x + 0.1x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.1'.
29.38 + -4x + x2 = 0

Move the constant term to the right:

Add '-29.38' to each side of the equation.
29.38 + -4x + -29.38 + x2 = 0 + -29.38

Reorder the terms:
29.38 + -29.38 + -4x + x2 = 0 + -29.38

Combine like terms: 29.38 + -29.38 = 0.00
0.00 + -4x + x2 = 0 + -29.38
-4x + x2 = 0 + -29.38

Combine like terms: 0 + -29.38 = -29.38
-4x + x2 = -29.38

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -29.38 + 4

Reorder the terms:
4 + -4x + x2 = -29.38 + 4

Combine like terms: -29.38 + 4 = -25.38
4 + -4x + x2 = -25.38

Factor a perfect square on the left side:
(x + -2)(x + -2) = -25.38

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| y=-x^2+6x-10 | | 5(9+25m)=4(1+31m) | | -26+10k=3(k+3) | | 28(1+n)=2(19n-16) | | X+5/x=2 | | s^2-7s-18=0 | | 2x+3y-z=-2 | | -2z=-6 | | 10(-9-1)=-2r-10 | | 7x^2-174x-9=0 | | Z=1 | | 5x-7y=-29 | | 40(v-5)=12(22v+2) | | math=cool | | 2x+5y+2z=6 | | A=-5+0.5c | | A/4+5+5/2 | | 1/2(4x+5)=3(x+8)+3 | | A-2b+c=-5 | | 50*3/50+17/2 | | 171/240= | | 5/33= | | 31/125= | | 17/24= | | x-1*2x^2-x-1= | | 5(2x-3)2-(5x-2)(4x+2)=0 | | Y+91/2=133/4 | | 30x^2+70x^5+60x^7= | | 3x+12=5x-22 | | x/-3+5=12 | | (x-1)(2x^2-x-1)= | | 2x+4=2x-8 |

Equations solver categories