x^2+x-0.02=0

Simple and best practice solution for x^2+x-0.02=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+x-0.02=0 equation:


Simplifying
x2 + x + -0.02 = 0

Reorder the terms:
-0.02 + x + x2 = 0

Solving
-0.02 + x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '0.02' to each side of the equation.
-0.02 + x + 0.02 + x2 = 0 + 0.02

Reorder the terms:
-0.02 + 0.02 + x + x2 = 0 + 0.02

Combine like terms: -0.02 + 0.02 = 0.00
0.00 + x + x2 = 0 + 0.02
x + x2 = 0 + 0.02

Combine like terms: 0 + 0.02 = 0.02
x + x2 = 0.02

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
x + 0.25 + x2 = 0.02 + 0.25

Reorder the terms:
0.25 + x + x2 = 0.02 + 0.25

Combine like terms: 0.02 + 0.25 = 0.27
0.25 + x + x2 = 0.27

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 0.27

Calculate the square root of the right side: 0.519615242

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.519615242 and -0.519615242.

Subproblem 1

x + 0.5 = 0.519615242 Simplifying x + 0.5 = 0.519615242 Reorder the terms: 0.5 + x = 0.519615242 Solving 0.5 + x = 0.519615242 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 0.519615242 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.519615242 + -0.5 x = 0.519615242 + -0.5 Combine like terms: 0.519615242 + -0.5 = 0.019615242 x = 0.019615242 Simplifying x = 0.019615242

Subproblem 2

x + 0.5 = -0.519615242 Simplifying x + 0.5 = -0.519615242 Reorder the terms: 0.5 + x = -0.519615242 Solving 0.5 + x = -0.519615242 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -0.519615242 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.519615242 + -0.5 x = -0.519615242 + -0.5 Combine like terms: -0.519615242 + -0.5 = -1.019615242 x = -1.019615242 Simplifying x = -1.019615242

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.019615242, -1.019615242}

See similar equations:

| 3x^(9/8)-15=0 | | 4=-4(c-18) | | 2a+2b+c=86 | | 6=3+k | | 5(x+1)+67=-4x | | 5j-18-10j=8j+17-6j | | -3y=6x | | 3+8x=3x+2x+1 | | 4(2-0.6w)=24-2(0.8-2.4) | | 5(x+1)+67=-4 | | (x/5)+16=25 | | 55(y+3)+2=-2(8-3y)+2y | | 5(x-1)+67=-4x | | 1/2(4x+8)=28 | | 9x-2=6x+9x+4 | | a+6=48 | | -12p-8p(-9)=-11 | | -4+x=43 | | x(2)-15=11 | | -16t^2+64t=382 | | 3m+5m-4m-3m=12 | | 8m+5=7 | | 1-21a/2=-3a/2-(7a/2-2) | | 88x-4x=7x+22 | | (6x-48x^2)/6x | | (-x/4)-49=-38 | | 5y+4/7+3y+4/5=4 | | 2m+13=3m-17 | | -5-3=-2+y | | 4a(7a+3)= | | -1/4x+40=-2x+5 | | s^2+14s+48= |

Equations solver categories