x^2+0.19x-0.4(0.19)=0

Simple and best practice solution for x^2+0.19x-0.4(0.19)=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+0.19x-0.4(0.19)=0 equation:


Simplifying
x2 + 0.19x + -0.4(0.19) = 0

Multiply -0.4 * 0.19
x2 + 0.19x + -0.076 = 0

Reorder the terms:
-0.076 + 0.19x + x2 = 0

Solving
-0.076 + 0.19x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '0.076' to each side of the equation.
-0.076 + 0.19x + 0.076 + x2 = 0 + 0.076

Reorder the terms:
-0.076 + 0.076 + 0.19x + x2 = 0 + 0.076

Combine like terms: -0.076 + 0.076 = 0.000
0.000 + 0.19x + x2 = 0 + 0.076
0.19x + x2 = 0 + 0.076

Combine like terms: 0 + 0.076 = 0.076
0.19x + x2 = 0.076

The x term is 0.19x.  Take half its coefficient (0.095).
Square it (0.009025) and add it to both sides.

Add '0.009025' to each side of the equation.
0.19x + 0.009025 + x2 = 0.076 + 0.009025

Reorder the terms:
0.009025 + 0.19x + x2 = 0.076 + 0.009025

Combine like terms: 0.076 + 0.009025 = 0.085025
0.009025 + 0.19x + x2 = 0.085025

Factor a perfect square on the left side:
(x + 0.095)(x + 0.095) = 0.085025

Calculate the square root of the right side: 0.291590466

Break this problem into two subproblems by setting 
(x + 0.095) equal to 0.291590466 and -0.291590466.

Subproblem 1

x + 0.095 = 0.291590466 Simplifying x + 0.095 = 0.291590466 Reorder the terms: 0.095 + x = 0.291590466 Solving 0.095 + x = 0.291590466 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.095' to each side of the equation. 0.095 + -0.095 + x = 0.291590466 + -0.095 Combine like terms: 0.095 + -0.095 = 0.000 0.000 + x = 0.291590466 + -0.095 x = 0.291590466 + -0.095 Combine like terms: 0.291590466 + -0.095 = 0.196590466 x = 0.196590466 Simplifying x = 0.196590466

Subproblem 2

x + 0.095 = -0.291590466 Simplifying x + 0.095 = -0.291590466 Reorder the terms: 0.095 + x = -0.291590466 Solving 0.095 + x = -0.291590466 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.095' to each side of the equation. 0.095 + -0.095 + x = -0.291590466 + -0.095 Combine like terms: 0.095 + -0.095 = 0.000 0.000 + x = -0.291590466 + -0.095 x = -0.291590466 + -0.095 Combine like terms: -0.291590466 + -0.095 = -0.386590466 x = -0.386590466 Simplifying x = -0.386590466

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.196590466, -0.386590466}

See similar equations:

| 5x-6=3x-7 | | -20x^2-x+1=0 | | 8-10x=52-38x | | 6p+4=2p+20 | | 61-3x=7x-21 | | 3(x+2.99)=2x | | 3.7x-22=1.9x+5 | | 6-7x=60-21x | | 4(3x-2)+7=3(4x+5)-1 | | 12x+14=1000+6 | | 4x+21=12x-43 | | 14x+100-44x=40 | | 9x-14.4=x | | 2.3=7x+8.6 | | y=x^2+6x+3 | | 8(2x+1)=3x-6x | | 64s^2+80s-25= | | ax^6-x^6+6a-6= | | -1b+3=9 | | 11y^2+19y-60=0 | | -2x+14=2x-14 | | x+2x+3x=1.50 | | 12x^3+9x^2+3x= | | 6x+1=4x+49 | | 4v^2-17v=15 | | 4v^2-17v-15=0 | | 2+3,34= | | 1.6q-3.4-0.8q=-0.2q-2.8 | | w^2-25= | | 2+2+5=3x | | 35x^2+49x= | | 7x/8+11=5x/12 |

Equations solver categories