6x^2=7-5x

Simple and best practice solution for 6x^2=7-5x 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=7-5x equation:


Simplifying
6x2 = 7 + -5x

Solving
6x2 = 7 + -5x

Solving for variable 'x'.

Reorder the terms:
-7 + 5x + 6x2 = 7 + -5x + -7 + 5x

Reorder the terms:
-7 + 5x + 6x2 = 7 + -7 + -5x + 5x

Combine like terms: 7 + -7 = 0
-7 + 5x + 6x2 = 0 + -5x + 5x
-7 + 5x + 6x2 = -5x + 5x

Combine like terms: -5x + 5x = 0
-7 + 5x + 6x2 = 0

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

Divide each side by '6'.
-1.166666667 + 0.8333333333x + x2 = 0

Move the constant term to the right:

Add '1.166666667' to each side of the equation.
-1.166666667 + 0.8333333333x + 1.166666667 + x2 = 0 + 1.166666667

Reorder the terms:
-1.166666667 + 1.166666667 + 0.8333333333x + x2 = 0 + 1.166666667

Combine like terms: -1.166666667 + 1.166666667 = 0.000000000
0.000000000 + 0.8333333333x + x2 = 0 + 1.166666667
0.8333333333x + x2 = 0 + 1.166666667

Combine like terms: 0 + 1.166666667 = 1.166666667
0.8333333333x + x2 = 1.166666667

The x term is 0.8333333333x.  Take half its coefficient (0.4166666667).
Square it (0.1736111111) and add it to both sides.

Add '0.1736111111' to each side of the equation.
0.8333333333x + 0.1736111111 + x2 = 1.166666667 + 0.1736111111

Reorder the terms:
0.1736111111 + 0.8333333333x + x2 = 1.166666667 + 0.1736111111

Combine like terms: 1.166666667 + 0.1736111111 = 1.3402777781
0.1736111111 + 0.8333333333x + x2 = 1.3402777781

Factor a perfect square on the left side:
(x + 0.4166666667)(x + 0.4166666667) = 1.3402777781

Calculate the square root of the right side: 1.157703666

Break this problem into two subproblems by setting 
(x + 0.4166666667) equal to 1.157703666 and -1.157703666.

Subproblem 1

x + 0.4166666667 = 1.157703666 Simplifying x + 0.4166666667 = 1.157703666 Reorder the terms: 0.4166666667 + x = 1.157703666 Solving 0.4166666667 + x = 1.157703666 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4166666667' to each side of the equation. 0.4166666667 + -0.4166666667 + x = 1.157703666 + -0.4166666667 Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000 0.0000000000 + x = 1.157703666 + -0.4166666667 x = 1.157703666 + -0.4166666667 Combine like terms: 1.157703666 + -0.4166666667 = 0.7410369993 x = 0.7410369993 Simplifying x = 0.7410369993

Subproblem 2

x + 0.4166666667 = -1.157703666 Simplifying x + 0.4166666667 = -1.157703666 Reorder the terms: 0.4166666667 + x = -1.157703666 Solving 0.4166666667 + x = -1.157703666 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4166666667' to each side of the equation. 0.4166666667 + -0.4166666667 + x = -1.157703666 + -0.4166666667 Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000 0.0000000000 + x = -1.157703666 + -0.4166666667 x = -1.157703666 + -0.4166666667 Combine like terms: -1.157703666 + -0.4166666667 = -1.5743703327 x = -1.5743703327 Simplifying x = -1.5743703327

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.7410369993, -1.5743703327}

See similar equations:

| X-1-1.4=6.2 | | 3x-4=3x-12 | | =8t+3(1-4t) | | -3-2c=-9c-3 | | 4x+1+3x+2+2x+3+x+4=6(2x+2) | | 2x/3+5=23 | | 4x-(3x+8)=4x-26 | | 0.003(x+6)=0.004x+0.013 | | 2(x+1)=7(x-2)-9 | | 500+100x=800 | | y/3+8=7 | | (35)(x/5)=(x/7+4/1)(35) | | m+8=-13 | | ln(x)=.30 | | (-100s^3t^-5)/(25s^-2t^6) | | 0.13y+0.05(y+2000)=820 | | 2(3x+3)-9=6n | | 7(3n+2)=6(9n+2)+7 | | 3n^2+9n-30= | | 1/2((10-g)+(-6+3g)) | | -1.5+0=-1.5 | | 24k+72=17k+1 | | 11.9+x-7.1=5.5 | | 2v+4(8v-8)=-32-8v | | y^4+13y^3+40y^2= | | -0.10(9)+0.10x=0.05(x-6) | | -2w-10=0 | | f(0)=sqrt(4x+28) | | X=144+.20y | | -15+0=-1.5 | | 4u+28=0 | | 8-3r=-4-15r |

Equations solver categories