5x^2-29x-20=0

Simple and best practice solution for 5x^2-29x-20=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^2-29x-20=0 equation:


Simplifying
5x2 + -29x + -20 = 0

Reorder the terms:
-20 + -29x + 5x2 = 0

Solving
-20 + -29x + 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'.
-4 + -5.8x + x2 = 0

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -5.8x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + -5.8x + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -5.8x + x2 = 0 + 4
-5.8x + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
-5.8x + x2 = 4

The x term is -5.8x.  Take half its coefficient (-2.9).
Square it (8.41) and add it to both sides.

Add '8.41' to each side of the equation.
-5.8x + 8.41 + x2 = 4 + 8.41

Reorder the terms:
8.41 + -5.8x + x2 = 4 + 8.41

Combine like terms: 4 + 8.41 = 12.41
8.41 + -5.8x + x2 = 12.41

Factor a perfect square on the left side:
(x + -2.9)(x + -2.9) = 12.41

Calculate the square root of the right side: 3.522782991

Break this problem into two subproblems by setting 
(x + -2.9) equal to 3.522782991 and -3.522782991.

Subproblem 1

x + -2.9 = 3.522782991 Simplifying x + -2.9 = 3.522782991 Reorder the terms: -2.9 + x = 3.522782991 Solving -2.9 + x = 3.522782991 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.9' to each side of the equation. -2.9 + 2.9 + x = 3.522782991 + 2.9 Combine like terms: -2.9 + 2.9 = 0.0 0.0 + x = 3.522782991 + 2.9 x = 3.522782991 + 2.9 Combine like terms: 3.522782991 + 2.9 = 6.422782991 x = 6.422782991 Simplifying x = 6.422782991

Subproblem 2

x + -2.9 = -3.522782991 Simplifying x + -2.9 = -3.522782991 Reorder the terms: -2.9 + x = -3.522782991 Solving -2.9 + x = -3.522782991 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.9' to each side of the equation. -2.9 + 2.9 + x = -3.522782991 + 2.9 Combine like terms: -2.9 + 2.9 = 0.0 0.0 + x = -3.522782991 + 2.9 x = -3.522782991 + 2.9 Combine like terms: -3.522782991 + 2.9 = -0.622782991 x = -0.622782991 Simplifying x = -0.622782991

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.422782991, -0.622782991}

See similar equations:

| 15=9t-14t | | 6n+7n-56=-14-n | | 3x-2(5x-4)=4x(-2x-26) | | 6x=12-(-18) | | 5x^2-25=200 | | x+5x=276 | | y^2-y-30y=0 | | (x+84)+(114+x)=180 | | 147=6X+12 | | 6x^2-5=445 | | 4a^2+25=-20a | | (3x+6)(x+4)=400 | | -3n+36=3(n+8)-8n | | 6In(5-2x)=12 | | 3x=x-692 | | 6[c+4]=4c-16 | | 0=-15x^2-10x+40 | | (11b-9)-5(2b+3)=-3 | | 4x-2+6-5x=10-3+2x | | 2x^2-36=60 | | (2x^3)-4x=0 | | -13x+7(3x-1)=-63 | | 4x+3y=402 | | g(x)=0.25(8) | | 128^-2/7 | | 4x^4+11x^2+9=0 | | 0.4x-8=0.7x+1 | | 1-2x=1+x^2 | | 5m^2+11m+15=0 | | 4/7w-3=7 | | 3-2x+2=12 | | (y-2)^(1/2) |

Equations solver categories