4x^2-5x-150=0

Simple and best practice solution for 4x^2-5x-150=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 4x^2-5x-150=0 equation:


Simplifying
4x2 + -5x + -150 = 0

Reorder the terms:
-150 + -5x + 4x2 = 0

Solving
-150 + -5x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-37.5 + -1.25x + x2 = 0

Move the constant term to the right:

Add '37.5' to each side of the equation.
-37.5 + -1.25x + 37.5 + x2 = 0 + 37.5

Reorder the terms:
-37.5 + 37.5 + -1.25x + x2 = 0 + 37.5

Combine like terms: -37.5 + 37.5 = 0.0
0.0 + -1.25x + x2 = 0 + 37.5
-1.25x + x2 = 0 + 37.5

Combine like terms: 0 + 37.5 = 37.5
-1.25x + x2 = 37.5

The x term is -1.25x.  Take half its coefficient (-0.625).
Square it (0.390625) and add it to both sides.

Add '0.390625' to each side of the equation.
-1.25x + 0.390625 + x2 = 37.5 + 0.390625

Reorder the terms:
0.390625 + -1.25x + x2 = 37.5 + 0.390625

Combine like terms: 37.5 + 0.390625 = 37.890625
0.390625 + -1.25x + x2 = 37.890625

Factor a perfect square on the left side:
(x + -0.625)(x + -0.625) = 37.890625

Calculate the square root of the right side: 6.155536126

Break this problem into two subproblems by setting 
(x + -0.625) equal to 6.155536126 and -6.155536126.

Subproblem 1

x + -0.625 = 6.155536126 Simplifying x + -0.625 = 6.155536126 Reorder the terms: -0.625 + x = 6.155536126 Solving -0.625 + x = 6.155536126 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.625' to each side of the equation. -0.625 + 0.625 + x = 6.155536126 + 0.625 Combine like terms: -0.625 + 0.625 = 0.000 0.000 + x = 6.155536126 + 0.625 x = 6.155536126 + 0.625 Combine like terms: 6.155536126 + 0.625 = 6.780536126 x = 6.780536126 Simplifying x = 6.780536126

Subproblem 2

x + -0.625 = -6.155536126 Simplifying x + -0.625 = -6.155536126 Reorder the terms: -0.625 + x = -6.155536126 Solving -0.625 + x = -6.155536126 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.625' to each side of the equation. -0.625 + 0.625 + x = -6.155536126 + 0.625 Combine like terms: -0.625 + 0.625 = 0.000 0.000 + x = -6.155536126 + 0.625 x = -6.155536126 + 0.625 Combine like terms: -6.155536126 + 0.625 = -5.530536126 x = -5.530536126 Simplifying x = -5.530536126

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.780536126, -5.530536126}

See similar equations:

| -1.4m+0.1=-4.9m^2 | | 2y-10+3x=0 | | 7(c+4)=56 | | (1)x-5y=11 | | 6x-20y=12 | | u^2+5uv=0 | | 8b/4b | | -y^2+4=2y | | 2y-1=16 | | m^2-9mn=0 | | 360=R-.25R | | (x+10)+x(3x-5)=180 | | -5y-5(-6-2y)=6 | | 3cos(x)-2sin^2x=0 | | 2067959+125x=1839834 | | 2067959+125x=2330510 | | 3x(x-4)=x-4 | | x-2=-15x^2 | | 18+11q=84 | | 32z=64 | | -32+6x=-8(4-8x) | | 132+2x=180 | | 18x^3y^2/30x^4y^5 | | 6r-17=-25+4r | | 0=-5q-2q | | 5(8x+2y-6)= | | 7z-11=-3+9z | | -8x-8x=64 | | -3q+r+2-q-6r= | | 8.2=2.8(3x-2) | | a^2+9ab-10b^2=0 | | 4x-18=-7(8-6x) |

Equations solver categories