-5x^2+30x+1=0

Simple and best practice solution for -5x^2+30x+1=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+30x+1=0 equation:


Simplifying
-5x2 + 30x + 1 = 0

Reorder the terms:
1 + 30x + -5x2 = 0

Solving
1 + 30x + -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'.
-0.2 + -6x + x2 = 0

Move the constant term to the right:

Add '0.2' to each side of the equation.
-0.2 + -6x + 0.2 + x2 = 0 + 0.2

Reorder the terms:
-0.2 + 0.2 + -6x + x2 = 0 + 0.2

Combine like terms: -0.2 + 0.2 = 0.0
0.0 + -6x + x2 = 0 + 0.2
-6x + x2 = 0 + 0.2

Combine like terms: 0 + 0.2 = 0.2
-6x + x2 = 0.2

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 0.2 + 9

Reorder the terms:
9 + -6x + x2 = 0.2 + 9

Combine like terms: 0.2 + 9 = 9.2
9 + -6x + x2 = 9.2

Factor a perfect square on the left side:
(x + -3)(x + -3) = 9.2

Calculate the square root of the right side: 3.033150178

Break this problem into two subproblems by setting 
(x + -3) equal to 3.033150178 and -3.033150178.

Subproblem 1

x + -3 = 3.033150178 Simplifying x + -3 = 3.033150178 Reorder the terms: -3 + x = 3.033150178 Solving -3 + x = 3.033150178 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 3.033150178 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.033150178 + 3 x = 3.033150178 + 3 Combine like terms: 3.033150178 + 3 = 6.033150178 x = 6.033150178 Simplifying x = 6.033150178

Subproblem 2

x + -3 = -3.033150178 Simplifying x + -3 = -3.033150178 Reorder the terms: -3 + x = -3.033150178 Solving -3 + x = -3.033150178 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -3.033150178 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.033150178 + 3 x = -3.033150178 + 3 Combine like terms: -3.033150178 + 3 = -0.033150178 x = -0.033150178 Simplifying x = -0.033150178

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.033150178, -0.033150178}

See similar equations:

| 4(-6+2)-7=-5-t | | 2(3a-2)+4a=10a-2 | | 2(x-4)+5x=12-(2x+2) | | -r+4t+10t=8r | | 4(2e+3)=44 | | Y=5(2x-1)(3x+2) | | 15x+10=x+19+5x | | (x-3)(x+4)(x-2)=0 | | (x-1)(x+4)(x-2)=0 | | 9+-18=n | | 9-6x=x-5 | | (x-4)(x-1)(x+4)=0 | | (3x^2+2x-1)(6x-1)= | | (-2x+9)(3x-2)= | | p(n+a)=1 | | (x-6)(x+4)(x+8)=0 | | (x-6)(x+4)(x+2)=0 | | 7x/6-2=1/3 | | (4x+1)(2x+3)= | | (x+y)(2x+3y)= | | (x-5)(x+4)(x+2)=0 | | (x-3)(x+2)(x+6)=0 | | (x-3)(x+2)(x+1)=0 | | 17.50= | | -2x^2+7x-10=0 | | 17.50*14days= | | 17.50*14= | | 5n-9=54 | | 9-5n=54 | | 6y-2y(x+1)= | | 6n+12=36 | | x(5y-3)+6x-2xy= |

Equations solver categories