36k^2-99k-30=0

Simple and best practice solution for 36k^2-99k-30=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 36k^2-99k-30=0 equation:


Simplifying
36k2 + -99k + -30 = 0

Reorder the terms:
-30 + -99k + 36k2 = 0

Solving
-30 + -99k + 36k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-10 + -33k + 12k2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-10 + -33k + 12k2)' equal to zero and attempt to solve: Simplifying -10 + -33k + 12k2 = 0 Solving -10 + -33k + 12k2 = 0 Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. -0.8333333333 + -2.75k + k2 = 0 Move the constant term to the right: Add '0.8333333333' to each side of the equation. -0.8333333333 + -2.75k + 0.8333333333 + k2 = 0 + 0.8333333333 Reorder the terms: -0.8333333333 + 0.8333333333 + -2.75k + k2 = 0 + 0.8333333333 Combine like terms: -0.8333333333 + 0.8333333333 = 0.0000000000 0.0000000000 + -2.75k + k2 = 0 + 0.8333333333 -2.75k + k2 = 0 + 0.8333333333 Combine like terms: 0 + 0.8333333333 = 0.8333333333 -2.75k + k2 = 0.8333333333 The k term is -2.75k. Take half its coefficient (-1.375). Square it (1.890625) and add it to both sides. Add '1.890625' to each side of the equation. -2.75k + 1.890625 + k2 = 0.8333333333 + 1.890625 Reorder the terms: 1.890625 + -2.75k + k2 = 0.8333333333 + 1.890625 Combine like terms: 0.8333333333 + 1.890625 = 2.7239583333 1.890625 + -2.75k + k2 = 2.7239583333 Factor a perfect square on the left side: (k + -1.375)(k + -1.375) = 2.7239583333 Calculate the square root of the right side: 1.65044186 Break this problem into two subproblems by setting (k + -1.375) equal to 1.65044186 and -1.65044186.

Subproblem 1

k + -1.375 = 1.65044186 Simplifying k + -1.375 = 1.65044186 Reorder the terms: -1.375 + k = 1.65044186 Solving -1.375 + k = 1.65044186 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '1.375' to each side of the equation. -1.375 + 1.375 + k = 1.65044186 + 1.375 Combine like terms: -1.375 + 1.375 = 0.000 0.000 + k = 1.65044186 + 1.375 k = 1.65044186 + 1.375 Combine like terms: 1.65044186 + 1.375 = 3.02544186 k = 3.02544186 Simplifying k = 3.02544186

Subproblem 2

k + -1.375 = -1.65044186 Simplifying k + -1.375 = -1.65044186 Reorder the terms: -1.375 + k = -1.65044186 Solving -1.375 + k = -1.65044186 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '1.375' to each side of the equation. -1.375 + 1.375 + k = -1.65044186 + 1.375 Combine like terms: -1.375 + 1.375 = 0.000 0.000 + k = -1.65044186 + 1.375 k = -1.65044186 + 1.375 Combine like terms: -1.65044186 + 1.375 = -0.27544186 k = -0.27544186 Simplifying k = -0.27544186

Solution

The solution to the problem is based on the solutions from the subproblems. k = {3.02544186, -0.27544186}

Solution

k = {3.02544186, -0.27544186}

See similar equations:

| 6z-9=7z-2 | | m/5=3/4 | | 65=1/5(x-40) | | log(x)=18.2 | | f(x)=18+7.50x | | (-6-4^2/2^3)/(3-4) | | 25b^2-25b-24=0 | | logx=18.2 | | 18x^2+10x-8=0 | | 2xcube-8=0 | | (5yx+4)+(-2y+6)= | | m/5=-8 | | 3x-40=14 | | 12q^2-35q-8=0 | | X=1/5(300-50) | | 0=144x-16x^2-128 | | 14c^2-29c+12=0 | | d-3=18 | | 3(x+7)+21=0 | | 3x^2+17w+10=0 | | 3x+7=-2x-10 | | (5x)(5)=72 | | (2x+29)+(4x+7)+(x+46)=180 | | -7.87+0.23x=43 | | 11y=4y+35 | | 26-9q=-1 | | 20x-5=-1+11x | | 32-u=3u | | m^2+13m+30=0 | | f(x)=-5x-30 | | 3(y+7)=15 | | y-6=-3/4(x-12) |

Equations solver categories