6x^2+7x-6=0

Simple and best practice solution for 6x^2+7x-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+7x-6=0 equation:


Simplifying
6x2 + 7x + -6 = 0

Reorder the terms:
-6 + 7x + 6x2 = 0

Solving
-6 + 7x + 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'.
-1 + 1.166666667x + x2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + 1.166666667x + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + 1.166666667x + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 1.166666667x + x2 = 0 + 1
1.166666667x + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
1.166666667x + x2 = 1

The x term is 1.166666667x.  Take half its coefficient (0.5833333335).
Square it (0.3402777780) and add it to both sides.

Add '0.3402777780' to each side of the equation.
1.166666667x + 0.3402777780 + x2 = 1 + 0.3402777780

Reorder the terms:
0.3402777780 + 1.166666667x + x2 = 1 + 0.3402777780

Combine like terms: 1 + 0.3402777780 = 1.340277778
0.3402777780 + 1.166666667x + x2 = 1.340277778

Factor a perfect square on the left side:
(x + 0.5833333335)(x + 0.5833333335) = 1.340277778

Calculate the square root of the right side: 1.157703666

Break this problem into two subproblems by setting 
(x + 0.5833333335) equal to 1.157703666 and -1.157703666.

Subproblem 1

x + 0.5833333335 = 1.157703666 Simplifying x + 0.5833333335 = 1.157703666 Reorder the terms: 0.5833333335 + x = 1.157703666 Solving 0.5833333335 + x = 1.157703666 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5833333335' to each side of the equation. 0.5833333335 + -0.5833333335 + x = 1.157703666 + -0.5833333335 Combine like terms: 0.5833333335 + -0.5833333335 = 0.0000000000 0.0000000000 + x = 1.157703666 + -0.5833333335 x = 1.157703666 + -0.5833333335 Combine like terms: 1.157703666 + -0.5833333335 = 0.5743703325 x = 0.5743703325 Simplifying x = 0.5743703325

Subproblem 2

x + 0.5833333335 = -1.157703666 Simplifying x + 0.5833333335 = -1.157703666 Reorder the terms: 0.5833333335 + x = -1.157703666 Solving 0.5833333335 + x = -1.157703666 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5833333335' to each side of the equation. 0.5833333335 + -0.5833333335 + x = -1.157703666 + -0.5833333335 Combine like terms: 0.5833333335 + -0.5833333335 = 0.0000000000 0.0000000000 + x = -1.157703666 + -0.5833333335 x = -1.157703666 + -0.5833333335 Combine like terms: -1.157703666 + -0.5833333335 = -1.7410369995 x = -1.7410369995 Simplifying x = -1.7410369995

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.5743703325, -1.7410369995}

See similar equations:

| 18x+30=-150 | | 16m+14=10m+16 | | 3x+x-36+4x=180 | | .5(a*6)=.3*a | | 16+4+18x=180 | | 11x-(4x-6)=62 | | j+13=-3 | | -60=-3(4+6n)+2(5n+4) | | F(v-2)=6x+7 | | 3+n=-7 | | X^2-9y^2+2x-54y-98=0 | | 7+k=42 | | .5(ab)=.3a | | 4(x+6)-11=25 | | 2-(x+3)=-2x+5 | | X^2-9y+2x-54y-98=0 | | 3x+35=90 | | 9x-55=90 | | 117+105+112+x=115 | | a-b=-0.9 | | 2a+6=3-.2a | | 5x+x-20+2=180 | | 2b+2a=3 | | 12-8x=3x-21 | | 8x^2+14x+17= | | 0.893=2.61x-2.52 | | 2d-6=8 | | 48+.99=1.29n | | 48+99n=1.29n | | 3x+12-5x=2(x-3) | | -2(-k-12)=-2k-12 | | 2(m-6)-7(7m-5)=23 |

Equations solver categories