1.5x^2-6x-36=0

Simple and best practice solution for 1.5x^2-6x-36=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 1.5x^2-6x-36=0 equation:


Simplifying
1.5x2 + -6x + -36 = 0

Reorder the terms:
-36 + -6x + 1.5x2 = 0

Solving
-36 + -6x + 1.5x2 = 0

Solving for variable 'x'.

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

Divide each side by '1.5'.
-24 + -4x + x2 = 0

Move the constant term to the right:

Add '24' to each side of the equation.
-24 + -4x + 24 + x2 = 0 + 24

Reorder the terms:
-24 + 24 + -4x + x2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + -4x + x2 = 0 + 24
-4x + x2 = 0 + 24

Combine like terms: 0 + 24 = 24
-4x + x2 = 24

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = 24 + 4

Reorder the terms:
4 + -4x + x2 = 24 + 4

Combine like terms: 24 + 4 = 28
4 + -4x + x2 = 28

Factor a perfect square on the left side:
(x + -2)(x + -2) = 28

Calculate the square root of the right side: 5.291502622

Break this problem into two subproblems by setting 
(x + -2) equal to 5.291502622 and -5.291502622.

Subproblem 1

x + -2 = 5.291502622 Simplifying x + -2 = 5.291502622 Reorder the terms: -2 + x = 5.291502622 Solving -2 + x = 5.291502622 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 5.291502622 + 2 Combine like terms: -2 + 2 = 0 0 + x = 5.291502622 + 2 x = 5.291502622 + 2 Combine like terms: 5.291502622 + 2 = 7.291502622 x = 7.291502622 Simplifying x = 7.291502622

Subproblem 2

x + -2 = -5.291502622 Simplifying x + -2 = -5.291502622 Reorder the terms: -2 + x = -5.291502622 Solving -2 + x = -5.291502622 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -5.291502622 + 2 Combine like terms: -2 + 2 = 0 0 + x = -5.291502622 + 2 x = -5.291502622 + 2 Combine like terms: -5.291502622 + 2 = -3.291502622 x = -3.291502622 Simplifying x = -3.291502622

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.291502622, -3.291502622}

See similar equations:

| 3x+35=5x+13 | | 22-x=7 | | 5+7(ac+3b)+3ac= | | 12(4+6)-0(8-7)= | | (2p-4)-3p=20 | | 8+9x=88+x | | 3=2-5x+6x | | 4(2r+3s)-4r= | | 3x-3=13x-33 | | t+6.5=3t-1.3 | | 5x+22=14x-68 | | 4.2(x+y)+3.3(x+y)+5x= | | -26+x=x+15 | | 14=2x-6 | | 47x=14617 | | 47x=14627 | | 4x=-30 | | 10x-13=8x+1 | | 4(5a+3b-2b)= | | 5x-13=15+7x | | 2x+32=4x+10 | | 3(4x+2y)+5x= | | 0.2(a+10)=-3 | | 8x+9=2x+51 | | 3r+2=23 | | h=-16t^2+256 | | 7(x+3)=2(-6-2x) | | 7x+8(2y+2x)= | | 9x-3y=12 | | x^2-11x=-28 | | 4x+2=2(x+6) | | 8x+13x=84 |

Equations solver categories