2.3x^2-0.1x-1.2=0

Simple and best practice solution for 2.3x^2-0.1x-1.2=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 2.3x^2-0.1x-1.2=0 equation:


Simplifying
2.3x2 + -0.1x + -1.2 = 0

Reorder the terms:
-1.2 + -0.1x + 2.3x2 = 0

Solving
-1.2 + -0.1x + 2.3x2 = 0

Solving for variable 'x'.

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

Divide each side by '2.3'.
-0.5217391304 + -0.04347826087x + x2 = 0

Move the constant term to the right:

Add '0.5217391304' to each side of the equation.
-0.5217391304 + -0.04347826087x + 0.5217391304 + x2 = 0 + 0.5217391304

Reorder the terms:
-0.5217391304 + 0.5217391304 + -0.04347826087x + x2 = 0 + 0.5217391304

Combine like terms: -0.5217391304 + 0.5217391304 = 0.0000000000
0.0000000000 + -0.04347826087x + x2 = 0 + 0.5217391304
-0.04347826087x + x2 = 0 + 0.5217391304

Combine like terms: 0 + 0.5217391304 = 0.5217391304
-0.04347826087x + x2 = 0.5217391304

The x term is -0.04347826087x.  Take half its coefficient (-0.02173913044).
Square it (0.0004725897923) and add it to both sides.

Add '0.0004725897923' to each side of the equation.
-0.04347826087x + 0.0004725897923 + x2 = 0.5217391304 + 0.0004725897923

Reorder the terms:
0.0004725897923 + -0.04347826087x + x2 = 0.5217391304 + 0.0004725897923

Combine like terms: 0.5217391304 + 0.0004725897923 = 0.5222117201923
0.0004725897923 + -0.04347826087x + x2 = 0.5222117201923

Factor a perfect square on the left side:
(x + -0.02173913044)(x + -0.02173913044) = 0.5222117201923

Calculate the square root of the right side: 0.72264218

Break this problem into two subproblems by setting 
(x + -0.02173913044) equal to 0.72264218 and -0.72264218.

Subproblem 1

x + -0.02173913044 = 0.72264218 Simplifying x + -0.02173913044 = 0.72264218 Reorder the terms: -0.02173913044 + x = 0.72264218 Solving -0.02173913044 + x = 0.72264218 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.02173913044' to each side of the equation. -0.02173913044 + 0.02173913044 + x = 0.72264218 + 0.02173913044 Combine like terms: -0.02173913044 + 0.02173913044 = 0.00000000000 0.00000000000 + x = 0.72264218 + 0.02173913044 x = 0.72264218 + 0.02173913044 Combine like terms: 0.72264218 + 0.02173913044 = 0.74438131044 x = 0.74438131044 Simplifying x = 0.74438131044

Subproblem 2

x + -0.02173913044 = -0.72264218 Simplifying x + -0.02173913044 = -0.72264218 Reorder the terms: -0.02173913044 + x = -0.72264218 Solving -0.02173913044 + x = -0.72264218 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.02173913044' to each side of the equation. -0.02173913044 + 0.02173913044 + x = -0.72264218 + 0.02173913044 Combine like terms: -0.02173913044 + 0.02173913044 = 0.00000000000 0.00000000000 + x = -0.72264218 + 0.02173913044 x = -0.72264218 + 0.02173913044 Combine like terms: -0.72264218 + 0.02173913044 = -0.70090304956 x = -0.70090304956 Simplifying x = -0.70090304956

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.74438131044, -0.70090304956}

See similar equations:

| 17=4-h | | log^2x=319 | | K+10.2=3.7 | | (h+12)+(p+24)= | | 4X^2(2X+3)= | | 2(u-4)=2 | | 7+25n=42+18n | | 3(2+3a)=5(a-2) | | 5-(2x+4)(x-2)=7 | | 4y+2x=100 | | M/5=m-6/4 | | 7/7x3 | | 9x^2+3=-95 | | -8(y-10)-15=2y-(y-5) | | -3(n-16)+10=-2 | | 2(b-3)=4 | | x=300*1.2 | | 2a+3(a+7)=a+3 | | 5n+9=2n+15 | | 9x^2=-98 | | 3t^2+8t+5=2t^2 | | 4(k+2)=16 | | 8*z=9 | | 5x-1/15x-1=5/3 | | 6=2(b-6) | | log(5x+9)=1+log(x-5) | | 10x^2-11x+9=13x-6x^2 | | 2*(-3x-9)-9x=-2*(3x+5)+11-5+2*(7-3x)-13 | | 2-(-3x-9)-9x=-2*(3x+5)+11-5+2*(7-3x)-13 | | -4(f-12)+9=-11 | | 0.69=log(x) | | 3x^2+4mx-4m^2=0 |

Equations solver categories