-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 = 1.7410369995 x = 1.7410369995 Simplifying x = 1.7410369995

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 = -0.5743703325 x = -0.5743703325 Simplifying x = -0.5743703325

Solution

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

See similar equations:

| -4x^2+5x+9=0 | | 2+8z=114 | | 8x-6(x+7)=8+2(x+5) | | 7x-3=9x+3 | | p^2-3/2p+9/16=0 | | 27x^5/x^6 | | 6x+3=8x-8 | | 27x5/x6 | | 20+4=16-3a | | 2x+3x=17x-2x | | s=xwh | | 4(2x-9)=-15-11 | | 4*-4+-9= | | 5(3x-9)=-9-24 | | 3*-3+-5= | | x+(x+25)+(x+19)=500 | | 5x-6=30-6x | | 16x^4y/-80x^2y^6 | | 1/4(24)=x | | 2/3-r=2/3 | | 8(t-6)+4t=4(3t+3)-9 | | 9-k=2/3 | | z^5y^7/z^4y | | 4a+1=35 | | -(4y+3)-(-3y-5)=-4 | | .5+5x=.8-2x | | 1/10+2/3-4/5 | | 0.30x+0.90(400)=0.50(x+400) | | n+3.4=8.8 | | -3/8*2/-7*(-3) | | -(5y+4)-(4y-5)=-2 | | v+3/4=7 |

Equations solver categories