2x^2+x-48=0

Simple and best practice solution for 2x^2+x-48=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 2x^2+x-48=0 equation:


Simplifying
2x2 + x + -48 = 0

Reorder the terms:
-48 + x + 2x2 = 0

Solving
-48 + x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
-24 + 0.5x + x2 = 0

Move the constant term to the right:

Add '24' to each side of the equation.
-24 + 0.5x + 24 + x2 = 0 + 24

Reorder the terms:
-24 + 24 + 0.5x + x2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 0.5x + x2 = 0 + 24
0.5x + x2 = 0 + 24

Combine like terms: 0 + 24 = 24
0.5x + x2 = 24

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.5x + 0.25 + x2 = 24 + 0.25

Reorder the terms:
0.25 + 0.5x + x2 = 24 + 0.25

Combine like terms: 24 + 0.25 = 24.25
0.25 + 0.5x + x2 = 24.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 24.25

Calculate the square root of the right side: 4.924428901

Break this problem into two subproblems by setting 
(x + 0.5) equal to 4.924428901 and -4.924428901.

Subproblem 1

x + 0.5 = 4.924428901 Simplifying x + 0.5 = 4.924428901 Reorder the terms: 0.5 + x = 4.924428901 Solving 0.5 + x = 4.924428901 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 4.924428901 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 4.924428901 + -0.5 x = 4.924428901 + -0.5 Combine like terms: 4.924428901 + -0.5 = 4.424428901 x = 4.424428901 Simplifying x = 4.424428901

Subproblem 2

x + 0.5 = -4.924428901 Simplifying x + 0.5 = -4.924428901 Reorder the terms: 0.5 + x = -4.924428901 Solving 0.5 + x = -4.924428901 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -4.924428901 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -4.924428901 + -0.5 x = -4.924428901 + -0.5 Combine like terms: -4.924428901 + -0.5 = -5.424428901 x = -5.424428901 Simplifying x = -5.424428901

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.424428901, -5.424428901}

See similar equations:

| 2x-14=9x+8 | | 5(x-3)+6=8(x+10)+4 | | 5x+2=-6+9x | | 36x^2-8=92 | | 3y-12-y=15-(4y+8) | | 3-7n^2=-340 | | 12x-3=7x+18 | | 3n^2+9=21 | | 0.75x+2=4(0.5x-2) | | 2x+2y=4x+5 | | 4(3n+3)=4(11-5) | | 8=4x+x+8 | | 7x^2-1=62 | | 4+n-9=-9+1+2n+12 | | 8a^2=0 | | 2k+6k^2+60=19k | | -3(3-x)=2(x-7) | | -0.50(16-2h)=11 | | (x+2)(x+7)(x-6)=0 | | (5x-5)(9x+4)=0 | | -3(x+1)+2=11 | | 9+12(2)= | | 2x+2y+2z=n | | -5y+3y=-16 | | -30=4(6y+5) | | -5T^2+20T+60=y | | (2x-5x)4=56.8 | | 4(y-1)-3=13 | | 6+5x=-10x+x | | v^2+11v=-28 | | x^4+4x^3-2x^2+12x-15=0 | | 11(r+12)=-11(r+6) |

Equations solver categories