17x^2-12x-64=0

Simple and best practice solution for 17x^2-12x-64=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 17x^2-12x-64=0 equation:


Simplifying
17x2 + -12x + -64 = 0

Reorder the terms:
-64 + -12x + 17x2 = 0

Solving
-64 + -12x + 17x2 = 0

Solving for variable 'x'.

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

Divide each side by '17'.
-3.764705882 + -0.7058823529x + x2 = 0

Move the constant term to the right:

Add '3.764705882' to each side of the equation.
-3.764705882 + -0.7058823529x + 3.764705882 + x2 = 0 + 3.764705882

Reorder the terms:
-3.764705882 + 3.764705882 + -0.7058823529x + x2 = 0 + 3.764705882

Combine like terms: -3.764705882 + 3.764705882 = 0.000000000
0.000000000 + -0.7058823529x + x2 = 0 + 3.764705882
-0.7058823529x + x2 = 0 + 3.764705882

Combine like terms: 0 + 3.764705882 = 3.764705882
-0.7058823529x + x2 = 3.764705882

The x term is -0.7058823529x.  Take half its coefficient (-0.3529411765).
Square it (0.1245674741) and add it to both sides.

Add '0.1245674741' to each side of the equation.
-0.7058823529x + 0.1245674741 + x2 = 3.764705882 + 0.1245674741

Reorder the terms:
0.1245674741 + -0.7058823529x + x2 = 3.764705882 + 0.1245674741

Combine like terms: 3.764705882 + 0.1245674741 = 3.8892733561
0.1245674741 + -0.7058823529x + x2 = 3.8892733561

Factor a perfect square on the left side:
(x + -0.3529411765)(x + -0.3529411765) = 3.8892733561

Calculate the square root of the right side: 1.972124072

Break this problem into two subproblems by setting 
(x + -0.3529411765) equal to 1.972124072 and -1.972124072.

Subproblem 1

x + -0.3529411765 = 1.972124072 Simplifying x + -0.3529411765 = 1.972124072 Reorder the terms: -0.3529411765 + x = 1.972124072 Solving -0.3529411765 + x = 1.972124072 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3529411765' to each side of the equation. -0.3529411765 + 0.3529411765 + x = 1.972124072 + 0.3529411765 Combine like terms: -0.3529411765 + 0.3529411765 = 0.0000000000 0.0000000000 + x = 1.972124072 + 0.3529411765 x = 1.972124072 + 0.3529411765 Combine like terms: 1.972124072 + 0.3529411765 = 2.3250652485 x = 2.3250652485 Simplifying x = 2.3250652485

Subproblem 2

x + -0.3529411765 = -1.972124072 Simplifying x + -0.3529411765 = -1.972124072 Reorder the terms: -0.3529411765 + x = -1.972124072 Solving -0.3529411765 + x = -1.972124072 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3529411765' to each side of the equation. -0.3529411765 + 0.3529411765 + x = -1.972124072 + 0.3529411765 Combine like terms: -0.3529411765 + 0.3529411765 = 0.0000000000 0.0000000000 + x = -1.972124072 + 0.3529411765 x = -1.972124072 + 0.3529411765 Combine like terms: -1.972124072 + 0.3529411765 = -1.6191828955 x = -1.6191828955 Simplifying x = -1.6191828955

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.3250652485, -1.6191828955}

See similar equations:

| -(8y+4)-(-7y-7)=5 | | 2a^4-8=0 | | -12=y+-21 | | 7v^4-28=0 | | 4y^2-4y=20 | | -y+178=1 | | x^2-26x+114=0 | | 58=50+n-40/4 | | 107=203-w | | 5x-12x=2x-7 | | 220=31-x | | 25y^2+20y-108=0 | | 2a^4b^3-4a^3b^4=0 | | (-15)(b)=30 | | -4(2x-2)=2(x+4)-1 | | x-(-2x)=5+x | | 16+2y=180 | | 4x^3+24x^2-28x=0 | | 4s^3-500=0 | | 7x-5y=14fory | | 0.6x-1.4(x-8)=0.5(x-1) | | -3x^3-30x^2-72x=0 | | 6t+3t=9 | | 3x-6=24x-8 | | 2x^2-4xy+2y^2=0 | | -2x^2-14x+16=0 | | 3x^3-30x^2+63x=0 | | 8x+42=-63 | | -3x^2-21x+54=0 | | 16x^2=19 | | 3s^2-3d^2=0 | | -5x^3+75x^2-270x=0 |

Equations solver categories