6x^2-5x=36

Simple and best practice solution for 6x^2-5x=36 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^2-5x=36 equation:


Simplifying
6x2 + -5x = 36

Reorder the terms:
-5x + 6x2 = 36

Solving
-5x + 6x2 = 36

Solving for variable 'x'.

Reorder the terms:
-36 + -5x + 6x2 = 36 + -36

Combine like terms: 36 + -36 = 0
-36 + -5x + 6x2 = 0

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

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

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + -0.8333333333x + 6 + x2 = 0 + 6

Reorder the terms:
-6 + 6 + -0.8333333333x + x2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -0.8333333333x + x2 = 0 + 6
-0.8333333333x + x2 = 0 + 6

Combine like terms: 0 + 6 = 6
-0.8333333333x + x2 = 6

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 = 6 + 0.1736111111

Reorder the terms:
0.1736111111 + -0.8333333333x + x2 = 6 + 0.1736111111

Combine like terms: 6 + 0.1736111111 = 6.1736111111
0.1736111111 + -0.8333333333x + x2 = 6.1736111111

Factor a perfect square on the left side:
(x + -0.4166666667)(x + -0.4166666667) = 6.1736111111

Calculate the square root of the right side: 2.484675253

Break this problem into two subproblems by setting 
(x + -0.4166666667) equal to 2.484675253 and -2.484675253.

Subproblem 1

x + -0.4166666667 = 2.484675253 Simplifying x + -0.4166666667 = 2.484675253 Reorder the terms: -0.4166666667 + x = 2.484675253 Solving -0.4166666667 + x = 2.484675253 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 = 2.484675253 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + x = 2.484675253 + 0.4166666667 x = 2.484675253 + 0.4166666667 Combine like terms: 2.484675253 + 0.4166666667 = 2.9013419197 x = 2.9013419197 Simplifying x = 2.9013419197

Subproblem 2

x + -0.4166666667 = -2.484675253 Simplifying x + -0.4166666667 = -2.484675253 Reorder the terms: -0.4166666667 + x = -2.484675253 Solving -0.4166666667 + x = -2.484675253 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 = -2.484675253 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + x = -2.484675253 + 0.4166666667 x = -2.484675253 + 0.4166666667 Combine like terms: -2.484675253 + 0.4166666667 = -2.0680085863 x = -2.0680085863 Simplifying x = -2.0680085863

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.9013419197, -2.0680085863}

See similar equations:

| 2x^2+10x+12=40 | | x^2+5x=43 | | 5+30=x+129 | | 215=303+11x | | 2x-3[2x-(-3-4x)]= | | 28-5n=-2n | | -36+17=19 | | 6h=9h-16 | | 9y-8=6y+4 | | 49-19=5(x-7) | | 21-6x=12+3 | | 3y=7y+20 | | x+x+3=149 | | Y-9=1/6(x-5) | | x+x+6=150 | | 5a^2-3a+3=0 | | x+x+6=152 | | R(x)=50x-1.25x^2 | | 6y-16=-4(y-1) | | x+5x=159 | | -8(u+2)=-3u-21 | | -2u+22=-4(u-2) | | 22=8(y-6)+2y | | (x+3y)(2x^3+3y)= | | 32=-4u+7(u+2) | | 7(v-6)+7v=14 | | 6=3x-2x | | 0.80x+0.05(16-x)=0.10(-52) | | 8/9×1/4 | | 0.80x+0.05(8-x)=0.10(-101) | | (8x-24)/(2x-x-15) | | -y+255=162 |

Equations solver categories