5x^2-3x-25=0

Simple and best practice solution for 5x^2-3x-25=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 5x^2-3x-25=0 equation:


Simplifying
5x2 + -3x + -25 = 0

Reorder the terms:
-25 + -3x + 5x2 = 0

Solving
-25 + -3x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-5 + -0.6x + x2 = 0

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -0.6x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + -0.6x + x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -0.6x + x2 = 0 + 5
-0.6x + x2 = 0 + 5

Combine like terms: 0 + 5 = 5
-0.6x + x2 = 5

The x term is -0.6x.  Take half its coefficient (-0.3).
Square it (0.09) and add it to both sides.

Add '0.09' to each side of the equation.
-0.6x + 0.09 + x2 = 5 + 0.09

Reorder the terms:
0.09 + -0.6x + x2 = 5 + 0.09

Combine like terms: 5 + 0.09 = 5.09
0.09 + -0.6x + x2 = 5.09

Factor a perfect square on the left side:
(x + -0.3)(x + -0.3) = 5.09

Calculate the square root of the right side: 2.256102835

Break this problem into two subproblems by setting 
(x + -0.3) equal to 2.256102835 and -2.256102835.

Subproblem 1

x + -0.3 = 2.256102835 Simplifying x + -0.3 = 2.256102835 Reorder the terms: -0.3 + x = 2.256102835 Solving -0.3 + x = 2.256102835 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3' to each side of the equation. -0.3 + 0.3 + x = 2.256102835 + 0.3 Combine like terms: -0.3 + 0.3 = 0.0 0.0 + x = 2.256102835 + 0.3 x = 2.256102835 + 0.3 Combine like terms: 2.256102835 + 0.3 = 2.556102835 x = 2.556102835 Simplifying x = 2.556102835

Subproblem 2

x + -0.3 = -2.256102835 Simplifying x + -0.3 = -2.256102835 Reorder the terms: -0.3 + x = -2.256102835 Solving -0.3 + x = -2.256102835 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3' to each side of the equation. -0.3 + 0.3 + x = -2.256102835 + 0.3 Combine like terms: -0.3 + 0.3 = 0.0 0.0 + x = -2.256102835 + 0.3 x = -2.256102835 + 0.3 Combine like terms: -2.256102835 + 0.3 = -1.956102835 x = -1.956102835 Simplifying x = -1.956102835

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.556102835, -1.956102835}

See similar equations:

| 2[7n-1]=3[5-n] | | 4-4=7t-3t | | -4[2n-6]=n+6 | | -t=8 | | 3+2(2n+5)-n= | | 3[2n+1]=4n+9 | | 5(c-3)=6(c-4) | | 3(6z-1)-4(z+9)=2(z+1) | | 3n-13=5n | | x^2+y^2-4x-6y-12=0 | | -4(t-9)-(t+4)=6 | | -5(4x-1)+1=20x+6 | | -4(5p+3)-25=3(3p+7) | | 4r-6-8x-9=21 | | 11(-7)-(-2)=75 | | 11(-6)-9=75 | | .5b=-1 | | 4+5(x-5)=4-4(x-6) | | -6+9=75 | | -4x+6y=12 | | Z+X= | | -5+.5a=-4 | | 8=y+3 | | 5r-8r=9 | | -7+.5y=3 | | 2y*7.2*(2y)= | | x+y=75 | | 4x^2+31x-45=3x^2+52x-17 | | -11x-y=75 | | -8x=88 | | -7(4x+6)= | | -3(2n+4)=9 |

Equations solver categories