2x^2+25x-3=0

Simple and best practice solution for 2x^2+25x-3=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+25x-3=0 equation:


Simplifying
2x2 + 25x + -3 = 0

Reorder the terms:
-3 + 25x + 2x2 = 0

Solving
-3 + 25x + 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'.
-1.5 + 12.5x + x2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + 12.5x + 1.5 + x2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + 12.5x + x2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 12.5x + x2 = 0 + 1.5
12.5x + x2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
12.5x + x2 = 1.5

The x term is 12.5x.  Take half its coefficient (6.25).
Square it (39.0625) and add it to both sides.

Add '39.0625' to each side of the equation.
12.5x + 39.0625 + x2 = 1.5 + 39.0625

Reorder the terms:
39.0625 + 12.5x + x2 = 1.5 + 39.0625

Combine like terms: 1.5 + 39.0625 = 40.5625
39.0625 + 12.5x + x2 = 40.5625

Factor a perfect square on the left side:
(x + 6.25)(x + 6.25) = 40.5625

Calculate the square root of the right side: 6.368869601

Break this problem into two subproblems by setting 
(x + 6.25) equal to 6.368869601 and -6.368869601.

Subproblem 1

x + 6.25 = 6.368869601 Simplifying x + 6.25 = 6.368869601 Reorder the terms: 6.25 + x = 6.368869601 Solving 6.25 + x = 6.368869601 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.25' to each side of the equation. 6.25 + -6.25 + x = 6.368869601 + -6.25 Combine like terms: 6.25 + -6.25 = 0.00 0.00 + x = 6.368869601 + -6.25 x = 6.368869601 + -6.25 Combine like terms: 6.368869601 + -6.25 = 0.118869601 x = 0.118869601 Simplifying x = 0.118869601

Subproblem 2

x + 6.25 = -6.368869601 Simplifying x + 6.25 = -6.368869601 Reorder the terms: 6.25 + x = -6.368869601 Solving 6.25 + x = -6.368869601 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.25' to each side of the equation. 6.25 + -6.25 + x = -6.368869601 + -6.25 Combine like terms: 6.25 + -6.25 = 0.00 0.00 + x = -6.368869601 + -6.25 x = -6.368869601 + -6.25 Combine like terms: -6.368869601 + -6.25 = -12.618869601 x = -12.618869601 Simplifying x = -12.618869601

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.118869601, -12.618869601}

See similar equations:

| X-4(2X-3)=26 | | 2x^2=82 | | 2=2.27-s-4 | | .09n=600-0.12n+198 | | X-4(2X-30)=26 | | -2x-4(-6-10)=-136 | | 5u+11=111 | | 6n+24= | | 67-2x=83-3x | | 0.22m=0.1m+15.60 | | (5x^3y/20xy^5)^4 | | 13X=-X^2-12 | | (12x+7)+(3x^2-12x-5)= | | 3x^2-32x+75=0 | | 26x-2=8x+3+85 | | 502.08+1.6= | | -20=1/3n--10 | | -4+2v=4(v-4) | | 2x+6+3x=7+2x+8 | | 5z+8z=Z-2-9z | | 10=5+v | | 8x+9=6x+32 | | -5/4x-2=-8 | | 2(6)+4y=24 | | y=1/2cos2x | | -20=1/3n-10 | | 212-3=53 | | 2(4)+4y=24 | | 3/50=x/5280 | | (1/65)=(1/x) | | 1+2r+8r=1+7r+8+4 | | y+26=-5 |

Equations solver categories