4k^2+8k-52=0

Simple and best practice solution for 4k^2+8k-52=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 4k^2+8k-52=0 equation:


Simplifying
4k2 + 8k + -52 = 0

Reorder the terms:
-52 + 8k + 4k2 = 0

Solving
-52 + 8k + 4k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-13 + 2k + k2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-13 + 2k + k2)' equal to zero and attempt to solve: Simplifying -13 + 2k + k2 = 0 Solving -13 + 2k + k2 = 0 Begin completing the square. Move the constant term to the right: Add '13' to each side of the equation. -13 + 2k + 13 + k2 = 0 + 13 Reorder the terms: -13 + 13 + 2k + k2 = 0 + 13 Combine like terms: -13 + 13 = 0 0 + 2k + k2 = 0 + 13 2k + k2 = 0 + 13 Combine like terms: 0 + 13 = 13 2k + k2 = 13 The k term is 2k. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2k + 1 + k2 = 13 + 1 Reorder the terms: 1 + 2k + k2 = 13 + 1 Combine like terms: 13 + 1 = 14 1 + 2k + k2 = 14 Factor a perfect square on the left side: (k + 1)(k + 1) = 14 Calculate the square root of the right side: 3.741657387 Break this problem into two subproblems by setting (k + 1) equal to 3.741657387 and -3.741657387.

Subproblem 1

k + 1 = 3.741657387 Simplifying k + 1 = 3.741657387 Reorder the terms: 1 + k = 3.741657387 Solving 1 + k = 3.741657387 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + k = 3.741657387 + -1 Combine like terms: 1 + -1 = 0 0 + k = 3.741657387 + -1 k = 3.741657387 + -1 Combine like terms: 3.741657387 + -1 = 2.741657387 k = 2.741657387 Simplifying k = 2.741657387

Subproblem 2

k + 1 = -3.741657387 Simplifying k + 1 = -3.741657387 Reorder the terms: 1 + k = -3.741657387 Solving 1 + k = -3.741657387 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + k = -3.741657387 + -1 Combine like terms: 1 + -1 = 0 0 + k = -3.741657387 + -1 k = -3.741657387 + -1 Combine like terms: -3.741657387 + -1 = -4.741657387 k = -4.741657387 Simplifying k = -4.741657387

Solution

The solution to the problem is based on the solutions from the subproblems. k = {2.741657387, -4.741657387}

Solution

k = {2.741657387, -4.741657387}

See similar equations:

| -8+7+4p-9p= | | 9/3=-4 | | d^2-16d+25=0 | | 10+9=89 | | f(3)=8x-5 | | t^2-28t=27 | | (u+1)*10=30 | | 49-16t^2=0 | | (q-5)*3=6 | | t^2-28=27 | | 0.6x+14.7=x-7.42 | | 244=-w+187 | | f^2-12f-1=0 | | 8n+2n+6=36 | | 244=w+187 | | -3h-8(4+9h)= | | h^2+2h=27 | | 6y-12=16 | | -u+244=56 | | 9x^2+4y^2+8y-32=0 | | 5x-3y/4=26 | | 2n^3+4n^2-7=-n^3+8n-9 | | 3.7+0.7x=0.2 | | s^2-6s-29=0 | | 63-6y=y | | 7(x-6)=x(10-2) | | -3+xy=2 | | 16x=-6y-3 | | -x-2(5-7x)=29 | | 494.70=34(x+2.55) | | m^2-26m=-3 | | 6cos(x)=1 |

Equations solver categories