4x^2-50x-205=0

Simple and best practice solution for 4x^2-50x-205=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^2-50x-205=0 equation:


Simplifying
4x2 + -50x + -205 = 0

Reorder the terms:
-205 + -50x + 4x2 = 0

Solving
-205 + -50x + 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'.
-51.25 + -12.5x + x2 = 0

Move the constant term to the right:

Add '51.25' to each side of the equation.
-51.25 + -12.5x + 51.25 + x2 = 0 + 51.25

Reorder the terms:
-51.25 + 51.25 + -12.5x + x2 = 0 + 51.25

Combine like terms: -51.25 + 51.25 = 0.00
0.00 + -12.5x + x2 = 0 + 51.25
-12.5x + x2 = 0 + 51.25

Combine like terms: 0 + 51.25 = 51.25
-12.5x + x2 = 51.25

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 = 51.25 + 39.0625

Reorder the terms:
39.0625 + -12.5x + x2 = 51.25 + 39.0625

Combine like terms: 51.25 + 39.0625 = 90.3125
39.0625 + -12.5x + x2 = 90.3125

Factor a perfect square on the left side:
(x + -6.25)(x + -6.25) = 90.3125

Calculate the square root of the right side: 9.503288904

Break this problem into two subproblems by setting 
(x + -6.25) equal to 9.503288904 and -9.503288904.

Subproblem 1

x + -6.25 = 9.503288904 Simplifying x + -6.25 = 9.503288904 Reorder the terms: -6.25 + x = 9.503288904 Solving -6.25 + x = 9.503288904 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 = 9.503288904 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = 9.503288904 + 6.25 x = 9.503288904 + 6.25 Combine like terms: 9.503288904 + 6.25 = 15.753288904 x = 15.753288904 Simplifying x = 15.753288904

Subproblem 2

x + -6.25 = -9.503288904 Simplifying x + -6.25 = -9.503288904 Reorder the terms: -6.25 + x = -9.503288904 Solving -6.25 + x = -9.503288904 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 = -9.503288904 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = -9.503288904 + 6.25 x = -9.503288904 + 6.25 Combine like terms: -9.503288904 + 6.25 = -3.253288904 x = -3.253288904 Simplifying x = -3.253288904

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.753288904, -3.253288904}

See similar equations:

| y=lnx+5 | | 4x+x-2x=39 | | 7=b+a | | 16+a=b | | 21x+13y=1791 | | 9-(x^2+2xy+y^2)= | | 10+b=a | | 3w+63+2w=8 | | 25=-2v-5v-17 | | 2x/3y=2/3 | | 2x/3y= | | 2w+8-5w=-8 | | 4(x-5)=5(14-x) | | 7y+3(y-8)=3(y+3)-3 | | 2x/x-3-6/x=18/x^2-3 | | 4-5x=2(x-5) | | 3(3x-1)=19-2x | | 8A+16B+C=400 | | y^16*y+48=0 | | 6x+40-x^2= | | 2(5-2x)=3x+3 | | 5(2x+1)-4x=27-3(3x-1)+5 | | 6x-15=10x+8 | | 9x-26=0 | | y^5*y+4=0 | | 15x+9=-24x-60 | | x+2x-3+7-4x= | | 2(3x-1)-(4x-7)= | | 9xyz7/12x3yz | | 6y-2=9y+16 | | x/5=y | | -8x+12=108 |

Equations solver categories