35x^2-12x-27=0

Simple and best practice solution for 35x^2-12x-27=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 35x^2-12x-27=0 equation:


Simplifying
35x2 + -12x + -27 = 0

Reorder the terms:
-27 + -12x + 35x2 = 0

Solving
-27 + -12x + 35x2 = 0

Solving for variable 'x'.

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

Divide each side by '35'.
-0.7714285714 + -0.3428571429x + x2 = 0

Move the constant term to the right:

Add '0.7714285714' to each side of the equation.
-0.7714285714 + -0.3428571429x + 0.7714285714 + x2 = 0 + 0.7714285714

Reorder the terms:
-0.7714285714 + 0.7714285714 + -0.3428571429x + x2 = 0 + 0.7714285714

Combine like terms: -0.7714285714 + 0.7714285714 = 0.0000000000
0.0000000000 + -0.3428571429x + x2 = 0 + 0.7714285714
-0.3428571429x + x2 = 0 + 0.7714285714

Combine like terms: 0 + 0.7714285714 = 0.7714285714
-0.3428571429x + x2 = 0.7714285714

The x term is -0.3428571429x.  Take half its coefficient (-0.1714285715).
Square it (0.02938775513) and add it to both sides.

Add '0.02938775513' to each side of the equation.
-0.3428571429x + 0.02938775513 + x2 = 0.7714285714 + 0.02938775513

Reorder the terms:
0.02938775513 + -0.3428571429x + x2 = 0.7714285714 + 0.02938775513

Combine like terms: 0.7714285714 + 0.02938775513 = 0.80081632653
0.02938775513 + -0.3428571429x + x2 = 0.80081632653

Factor a perfect square on the left side:
(x + -0.1714285715)(x + -0.1714285715) = 0.80081632653

Calculate the square root of the right side: 0.894883415

Break this problem into two subproblems by setting 
(x + -0.1714285715) equal to 0.894883415 and -0.894883415.

Subproblem 1

x + -0.1714285715 = 0.894883415 Simplifying x + -0.1714285715 = 0.894883415 Reorder the terms: -0.1714285715 + x = 0.894883415 Solving -0.1714285715 + x = 0.894883415 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1714285715' to each side of the equation. -0.1714285715 + 0.1714285715 + x = 0.894883415 + 0.1714285715 Combine like terms: -0.1714285715 + 0.1714285715 = 0.0000000000 0.0000000000 + x = 0.894883415 + 0.1714285715 x = 0.894883415 + 0.1714285715 Combine like terms: 0.894883415 + 0.1714285715 = 1.0663119865 x = 1.0663119865 Simplifying x = 1.0663119865

Subproblem 2

x + -0.1714285715 = -0.894883415 Simplifying x + -0.1714285715 = -0.894883415 Reorder the terms: -0.1714285715 + x = -0.894883415 Solving -0.1714285715 + x = -0.894883415 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1714285715' to each side of the equation. -0.1714285715 + 0.1714285715 + x = -0.894883415 + 0.1714285715 Combine like terms: -0.1714285715 + 0.1714285715 = 0.0000000000 0.0000000000 + x = -0.894883415 + 0.1714285715 x = -0.894883415 + 0.1714285715 Combine like terms: -0.894883415 + 0.1714285715 = -0.7234548435 x = -0.7234548435 Simplifying x = -0.7234548435

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.0663119865, -0.7234548435}

See similar equations:

| 6x^2-72x+18x-18=6 | | -2(6-3)-4=18 | | 9x^2+8xy+7y^2+19y-9=0 | | x+1.5x+.5x=7.5 | | 45x+24(475-x)=15390 | | -5x-4(8+x)=13 | | -8(2x-9)=104 | | 8z-3=3z+6 | | (2n-9)-5(-2.4n+4)=0 | | x^2+32x+c=0 | | 0=4x^2-5x-50 | | 9y-4=5y+10 | | 0.405m=6.48 | | -29+3=9-12 | | P=n+m+kforj | | 15p+12-3p-72=24 | | 6x(x-12)+18(x-1)=6 | | 14x=6y-12 | | 0=4x^2-20x-50 | | 2.9x+1.8=-4 | | 19t+1=4t-9 | | 3.08w=1.9712 | | 34.85=2.05x | | -4y+21=-15 | | 4x+3y-z=0 | | -7=29-c | | x+-4=-5 | | 0.5x=0.75x-2 | | 24-8y= | | log(2x+1)=log(x+6) | | 19t+1=4+-9 | | 5a^2+12a+30=0 |

Equations solver categories