5x^2-6x=3

Simple and best practice solution for 5x^2-6x=3 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 5x^2-6x=3 equation:


Simplifying
5x2 + -6x = 3

Reorder the terms:
-6x + 5x2 = 3

Solving
-6x + 5x2 = 3

Solving for variable 'x'.

Reorder the terms:
-3 + -6x + 5x2 = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + -6x + 5x2 = 0

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

Divide each side by '5'.
-0.6 + -1.2x + x2 = 0

Move the constant term to the right:

Add '0.6' to each side of the equation.
-0.6 + -1.2x + 0.6 + x2 = 0 + 0.6

Reorder the terms:
-0.6 + 0.6 + -1.2x + x2 = 0 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + -1.2x + x2 = 0 + 0.6
-1.2x + x2 = 0 + 0.6

Combine like terms: 0 + 0.6 = 0.6
-1.2x + x2 = 0.6

The x term is -1.2x.  Take half its coefficient (-0.6).
Square it (0.36) and add it to both sides.

Add '0.36' to each side of the equation.
-1.2x + 0.36 + x2 = 0.6 + 0.36

Reorder the terms:
0.36 + -1.2x + x2 = 0.6 + 0.36

Combine like terms: 0.6 + 0.36 = 0.96
0.36 + -1.2x + x2 = 0.96

Factor a perfect square on the left side:
(x + -0.6)(x + -0.6) = 0.96

Calculate the square root of the right side: 0.979795897

Break this problem into two subproblems by setting 
(x + -0.6) equal to 0.979795897 and -0.979795897.

Subproblem 1

x + -0.6 = 0.979795897 Simplifying x + -0.6 = 0.979795897 Reorder the terms: -0.6 + x = 0.979795897 Solving -0.6 + x = 0.979795897 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6' to each side of the equation. -0.6 + 0.6 + x = 0.979795897 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + x = 0.979795897 + 0.6 x = 0.979795897 + 0.6 Combine like terms: 0.979795897 + 0.6 = 1.579795897 x = 1.579795897 Simplifying x = 1.579795897

Subproblem 2

x + -0.6 = -0.979795897 Simplifying x + -0.6 = -0.979795897 Reorder the terms: -0.6 + x = -0.979795897 Solving -0.6 + x = -0.979795897 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6' to each side of the equation. -0.6 + 0.6 + x = -0.979795897 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + x = -0.979795897 + 0.6 x = -0.979795897 + 0.6 Combine like terms: -0.979795897 + 0.6 = -0.379795897 x = -0.379795897 Simplifying x = -0.379795897

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.579795897, -0.379795897}

See similar equations:

| -3B+2.5=4 | | Y=v-0.5gt^2 | | x-34+56x-37x=22 | | 0.75*-0.875+0.666x=0.166 | | An=a+(a-1)d | | z^2-z(z+3)+3=0 | | -2x-20=38 | | -1/5(5x-15y) | | -1/5(5x-15y | | S=8t+160 | | 2v^2-14v+20=0 | | -1/4(4x-12y) | | -1.2-1.9+2x=10.7 | | log(2t+4)=log(14-13t) | | 37-v=183 | | 16+8y=6y | | 1.10-x=1.00 | | -8=6x-2y | | x^2=16x+9 | | x=1000+25(N+12) | | -6x-22=22-2x | | 3(r+4)=12 | | log(19)=log(x+1)-log(12) | | 22.5=w/6-3.3 | | 2a-1.14a=1 | | x^2-1=10 | | 2(6x-2)=28 | | -7/2y-3=4/5y-1/2 | | 2a+1.5=5 | | 5x+8=-2+C | | -8y-9=9y+25 | | 7(a-4)-29=19+3(a+3) |

Equations solver categories