2x^2-3x=24

Simple and best practice solution for 2x^2-3x=24 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 2x^2-3x=24 equation:


Simplifying
2x2 + -3x = 24

Reorder the terms:
-3x + 2x2 = 24

Solving
-3x + 2x2 = 24

Solving for variable 'x'.

Reorder the terms:
-24 + -3x + 2x2 = 24 + -24

Combine like terms: 24 + -24 = 0
-24 + -3x + 2x2 = 0

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

Divide each side by '2'.
-12 + -1.5x + x2 = 0

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + -1.5x + 12 + x2 = 0 + 12

Reorder the terms:
-12 + 12 + -1.5x + x2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -1.5x + x2 = 0 + 12
-1.5x + x2 = 0 + 12

Combine like terms: 0 + 12 = 12
-1.5x + x2 = 12

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = 12 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = 12 + 0.5625

Combine like terms: 12 + 0.5625 = 12.5625
0.5625 + -1.5x + x2 = 12.5625

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 12.5625

Calculate the square root of the right side: 3.54436172

Break this problem into two subproblems by setting 
(x + -0.75) equal to 3.54436172 and -3.54436172.

Subproblem 1

x + -0.75 = 3.54436172 Simplifying x + -0.75 = 3.54436172 Reorder the terms: -0.75 + x = 3.54436172 Solving -0.75 + x = 3.54436172 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 3.54436172 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 3.54436172 + 0.75 x = 3.54436172 + 0.75 Combine like terms: 3.54436172 + 0.75 = 4.29436172 x = 4.29436172 Simplifying x = 4.29436172

Subproblem 2

x + -0.75 = -3.54436172 Simplifying x + -0.75 = -3.54436172 Reorder the terms: -0.75 + x = -3.54436172 Solving -0.75 + x = -3.54436172 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -3.54436172 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -3.54436172 + 0.75 x = -3.54436172 + 0.75 Combine like terms: -3.54436172 + 0.75 = -2.79436172 x = -2.79436172 Simplifying x = -2.79436172

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.29436172, -2.79436172}

See similar equations:

| X=-14+2x | | 8w+4*3w= | | 2v+3(8-v)=-25 | | 6(y+7)=18 | | 2169.5+120(-13.03)=176 | | 2*x-6=8 | | 100=x-.25x | | 22x=16x-18 | | 180=-2(x+4)+4x-2 | | =x^5+4x^3 | | -12=-4(n-13) | | 5x+2y+3x= | | 2y+6=x-2 | | 6n+-7=13n | | logxX=1 | | 5(3-2x)+4(5x+1)= | | -2.5=-2 | | -35=-5f | | -3x^2=12x+12 | | 9Z^2-1.4553-z^2=0 | | 5-2x+x-1=-23 | | 8x-3=7x+10 | | 14x^2+196x-6720=0 | | 7x+270.5=2717 | | 3xa=10 | | 4x^2+14= | | 9x+54=15x | | x+84=121 | | 14x^2+196x+6720=0 | | 3x^3+45=24x^2 | | -2h=-10 | | (x^3)+(x^2)-5x+1=0 |

Equations solver categories