2x^2+3x=48

Simple and best practice solution for 2x^2+3x=48 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=48 equation:


Simplifying
2x2 + 3x = 48

Reorder the terms:
3x + 2x2 = 48

Solving
3x + 2x2 = 48

Solving for variable 'x'.

Reorder the terms:
-48 + 3x + 2x2 = 48 + -48

Combine like terms: 48 + -48 = 0
-48 + 3x + 2x2 = 0

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

Divide each side by '2'.
-24 + 1.5x + x2 = 0

Move the constant term to the right:

Add '24' to each side of the equation.
-24 + 1.5x + 24 + x2 = 0 + 24

Reorder the terms:
-24 + 24 + 1.5x + x2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 1.5x + x2 = 0 + 24
1.5x + x2 = 0 + 24

Combine like terms: 0 + 24 = 24
1.5x + x2 = 24

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 = 24 + 0.5625

Reorder the terms:
0.5625 + 1.5x + x2 = 24 + 0.5625

Combine like terms: 24 + 0.5625 = 24.5625
0.5625 + 1.5x + x2 = 24.5625

Factor a perfect square on the left side:
(x + 0.75)(x + 0.75) = 24.5625

Calculate the square root of the right side: 4.9560569

Break this problem into two subproblems by setting 
(x + 0.75) equal to 4.9560569 and -4.9560569.

Subproblem 1

x + 0.75 = 4.9560569 Simplifying x + 0.75 = 4.9560569 Reorder the terms: 0.75 + x = 4.9560569 Solving 0.75 + x = 4.9560569 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 = 4.9560569 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + x = 4.9560569 + -0.75 x = 4.9560569 + -0.75 Combine like terms: 4.9560569 + -0.75 = 4.2060569 x = 4.2060569 Simplifying x = 4.2060569

Subproblem 2

x + 0.75 = -4.9560569 Simplifying x + 0.75 = -4.9560569 Reorder the terms: 0.75 + x = -4.9560569 Solving 0.75 + x = -4.9560569 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 = -4.9560569 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + x = -4.9560569 + -0.75 x = -4.9560569 + -0.75 Combine like terms: -4.9560569 + -0.75 = -5.7060569 x = -5.7060569 Simplifying x = -5.7060569

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.2060569, -5.7060569}

See similar equations:

| 6x-6x-42=42 | | -2x-14=5(2-3x)+7x | | 3x^2-4+4x=0 | | dx=m-hy | | 8(x+1)+7(x+1)=5x-5 | | x=0.36 | | 2(3x-4)-9x-5=2x+12 | | 7(x-3)=3x+11 | | .2c=35 | | X^2+5x-2=10 | | 3(x+7)=4(x-3) | | (-5x+6)-(-2x-7)= | | x+8=1.5x | | 1x-5y=-2 | | 3w+5=-6 | | 10n+30+8n-16=59 | | (4w+2)(2)= | | 12a-(4b+4a)-b=12a+-(4b+4a)+(-b) | | ln(x-3)+ln(x+4)=ln(9) | | (3x+14)+(x+5)=83 | | 6x-2+7x=5x+4 | | 4(x-4)=4x+2x-20-x | | 15a^2-6d-5=0 | | x*y=(x+3)(y-2) | | -5x+21=-3x+35 | | 3(3+6c)= | | 7y-84=3y+61 | | 2(3x-5)=4x-8 | | 5+In(2x)=5 | | 2x+5x-9=50-x-x-23 | | 14+3n=5n-6n | | -2(0.5x-1.5)=-4 |

Equations solver categories