-5x^2-10x+6=0

Simple and best practice solution for -5x^2-10x+6=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 -5x^2-10x+6=0 equation:


Simplifying
-5x2 + -10x + 6 = 0

Reorder the terms:
6 + -10x + -5x2 = 0

Solving
6 + -10x + -5x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
-1.2 + 2x + x2 = 0

Move the constant term to the right:

Add '1.2' to each side of the equation.
-1.2 + 2x + 1.2 + x2 = 0 + 1.2

Reorder the terms:
-1.2 + 1.2 + 2x + x2 = 0 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 2x + x2 = 0 + 1.2
2x + x2 = 0 + 1.2

Combine like terms: 0 + 1.2 = 1.2
2x + x2 = 1.2

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = 1.2 + 1

Reorder the terms:
1 + 2x + x2 = 1.2 + 1

Combine like terms: 1.2 + 1 = 2.2
1 + 2x + x2 = 2.2

Factor a perfect square on the left side:
(x + 1)(x + 1) = 2.2

Calculate the square root of the right side: 1.483239697

Break this problem into two subproblems by setting 
(x + 1) equal to 1.483239697 and -1.483239697.

Subproblem 1

x + 1 = 1.483239697 Simplifying x + 1 = 1.483239697 Reorder the terms: 1 + x = 1.483239697 Solving 1 + x = 1.483239697 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 1.483239697 + -1 Combine like terms: 1 + -1 = 0 0 + x = 1.483239697 + -1 x = 1.483239697 + -1 Combine like terms: 1.483239697 + -1 = 0.483239697 x = 0.483239697 Simplifying x = 0.483239697

Subproblem 2

x + 1 = -1.483239697 Simplifying x + 1 = -1.483239697 Reorder the terms: 1 + x = -1.483239697 Solving 1 + x = -1.483239697 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -1.483239697 + -1 Combine like terms: 1 + -1 = 0 0 + x = -1.483239697 + -1 x = -1.483239697 + -1 Combine like terms: -1.483239697 + -1 = -2.483239697 x = -2.483239697 Simplifying x = -2.483239697

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.483239697, -2.483239697}

See similar equations:

| 75(9.00+x)=11025 | | 7(X-7)-3x=-53 | | 13x^2-42x=147 | | 34/152 | | x^2+7x=-3 | | -10w+1+10w+-5= | | 1.5/2.4=2/3.2 | | Xsobre-4=1 | | 4e^2x=3 | | u-4.88=9.8 | | 7+10r+-8+-3= | | 31/3/5/6= | | v-5.74=4.61 | | (8x+3)+(x+3)=51 | | 6y=4y-42 | | 6x+2+5(x+4)+1= | | 2(5+7)=18 | | (8x+3)-(x+3)=51 | | 6x-134=4x-32 | | (8x-3)-(x-3)=51 | | (5y)= | | (8x-3)+(x-3)=51 | | 75.00(9+x)=11.025 | | 11x^2-24=8x | | 1-8+-y+-9y-10= | | (5+13)*4= | | -2/3a-6=12 | | x-x+x+x-x=18 | | 75.00(9+x)=2475 | | -16x+52=-8x | | 1.2x+8.6=-15.4 | | 2+2h=10 |

Equations solver categories