6X^2+7.1X-0.6=0

Simple and best practice solution for 6X^2+7.1X-0.6=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 6X^2+7.1X-0.6=0 equation:


Simplifying
6X2 + 7.1X + -0.6 = 0

Reorder the terms:
-0.6 + 7.1X + 6X2 = 0

Solving
-0.6 + 7.1X + 6X2 = 0

Solving for variable 'X'.

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

Divide each side by '6'.
-0.1 + 1.183333333X + X2 = 0

Move the constant term to the right:

Add '0.1' to each side of the equation.
-0.1 + 1.183333333X + 0.1 + X2 = 0 + 0.1

Reorder the terms:
-0.1 + 0.1 + 1.183333333X + X2 = 0 + 0.1

Combine like terms: -0.1 + 0.1 = 0.0
0.0 + 1.183333333X + X2 = 0 + 0.1
1.183333333X + X2 = 0 + 0.1

Combine like terms: 0 + 0.1 = 0.1
1.183333333X + X2 = 0.1

The X term is 1.183333333X.  Take half its coefficient (0.5916666665).
Square it (0.3500694442) and add it to both sides.

Add '0.3500694442' to each side of the equation.
1.183333333X + 0.3500694442 + X2 = 0.1 + 0.3500694442

Reorder the terms:
0.3500694442 + 1.183333333X + X2 = 0.1 + 0.3500694442

Combine like terms: 0.1 + 0.3500694442 = 0.4500694442
0.3500694442 + 1.183333333X + X2 = 0.4500694442

Factor a perfect square on the left side:
(X + 0.5916666665)(X + 0.5916666665) = 0.4500694442

Calculate the square root of the right side: 0.670872152

Break this problem into two subproblems by setting 
(X + 0.5916666665) equal to 0.670872152 and -0.670872152.

Subproblem 1

X + 0.5916666665 = 0.670872152 Simplifying X + 0.5916666665 = 0.670872152 Reorder the terms: 0.5916666665 + X = 0.670872152 Solving 0.5916666665 + X = 0.670872152 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-0.5916666665' to each side of the equation. 0.5916666665 + -0.5916666665 + X = 0.670872152 + -0.5916666665 Combine like terms: 0.5916666665 + -0.5916666665 = 0.0000000000 0.0000000000 + X = 0.670872152 + -0.5916666665 X = 0.670872152 + -0.5916666665 Combine like terms: 0.670872152 + -0.5916666665 = 0.0792054855 X = 0.0792054855 Simplifying X = 0.0792054855

Subproblem 2

X + 0.5916666665 = -0.670872152 Simplifying X + 0.5916666665 = -0.670872152 Reorder the terms: 0.5916666665 + X = -0.670872152 Solving 0.5916666665 + X = -0.670872152 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-0.5916666665' to each side of the equation. 0.5916666665 + -0.5916666665 + X = -0.670872152 + -0.5916666665 Combine like terms: 0.5916666665 + -0.5916666665 = 0.0000000000 0.0000000000 + X = -0.670872152 + -0.5916666665 X = -0.670872152 + -0.5916666665 Combine like terms: -0.670872152 + -0.5916666665 = -1.2625388185 X = -1.2625388185 Simplifying X = -1.2625388185

Solution

The solution to the problem is based on the solutions from the subproblems. X = {0.0792054855, -1.2625388185}

See similar equations:

| 1/3x-2/3x=-1 | | -15x+175= | | 5(2x-1)=-12 | | 4x^2+5x+1=-3 | | 4(x-1.99)-3.92=3(x-1.77) | | (2x+1)+(5x+5)=120 | | 0.6X^2-5.8X-5.7=0 | | x^2-54x+404=0 | | x^6-7x^3-5=0 | | x^2-14x=-20 | | 27.8=1.55y | | 5(2x-6)+3=10-6 | | 11X^2-4.6X-7.3=0 | | 9y=31 | | 12x+12y=-7 | | 4(5-8x)-2x=-34-7x | | 3a^-8b^2/-21a^-2b^9 | | 1/(2*3,1415*x*22^-6) | | 9w^2=8w^2+6w | | S=6r | | 1/2*3,1415*x*22^-6 | | -24+8x=6(7x+8)-4 | | 2/3=-7x | | n-3.6=-8.2 | | 21x-5-15x+3=19x-3-13x+13 | | 2x^3+3x^2-17-30=0 | | 2/3=7x | | 6x+1y=6 | | ln(x)+ln(x-6)=ln(7) | | 6(-3x+1)=17(x+1) | | 81=3x-1 | | 3x^2-6x-48=0 |

Equations solver categories