2q^2+36q=-82

Simple and best practice solution for 2q^2+36q=-82 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 2q^2+36q=-82 equation:


Simplifying
2q2 + 36q = -82

Reorder the terms:
36q + 2q2 = -82

Solving
36q + 2q2 = -82

Solving for variable 'q'.

Reorder the terms:
82 + 36q + 2q2 = -82 + 82

Combine like terms: -82 + 82 = 0
82 + 36q + 2q2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(41 + 18q + q2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(41 + 18q + q2)' equal to zero and attempt to solve: Simplifying 41 + 18q + q2 = 0 Solving 41 + 18q + q2 = 0 Begin completing the square. Move the constant term to the right: Add '-41' to each side of the equation. 41 + 18q + -41 + q2 = 0 + -41 Reorder the terms: 41 + -41 + 18q + q2 = 0 + -41 Combine like terms: 41 + -41 = 0 0 + 18q + q2 = 0 + -41 18q + q2 = 0 + -41 Combine like terms: 0 + -41 = -41 18q + q2 = -41 The q term is 18q. Take half its coefficient (9). Square it (81) and add it to both sides. Add '81' to each side of the equation. 18q + 81 + q2 = -41 + 81 Reorder the terms: 81 + 18q + q2 = -41 + 81 Combine like terms: -41 + 81 = 40 81 + 18q + q2 = 40 Factor a perfect square on the left side: (q + 9)(q + 9) = 40 Calculate the square root of the right side: 6.32455532 Break this problem into two subproblems by setting (q + 9) equal to 6.32455532 and -6.32455532.

Subproblem 1

q + 9 = 6.32455532 Simplifying q + 9 = 6.32455532 Reorder the terms: 9 + q = 6.32455532 Solving 9 + q = 6.32455532 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + q = 6.32455532 + -9 Combine like terms: 9 + -9 = 0 0 + q = 6.32455532 + -9 q = 6.32455532 + -9 Combine like terms: 6.32455532 + -9 = -2.67544468 q = -2.67544468 Simplifying q = -2.67544468

Subproblem 2

q + 9 = -6.32455532 Simplifying q + 9 = -6.32455532 Reorder the terms: 9 + q = -6.32455532 Solving 9 + q = -6.32455532 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + q = -6.32455532 + -9 Combine like terms: 9 + -9 = 0 0 + q = -6.32455532 + -9 q = -6.32455532 + -9 Combine like terms: -6.32455532 + -9 = -15.32455532 q = -15.32455532 Simplifying q = -15.32455532

Solution

The solution to the problem is based on the solutions from the subproblems. q = {-2.67544468, -15.32455532}

Solution

q = {-2.67544468, -15.32455532}

See similar equations:

| -8/5(y-20)-1/10y= | | X-2=4x+19 | | -11+5x=4(3x+6) | | x+0.8x-5921=76521 | | x^2+18x-29=0 | | 6x^2+4x+1=0 | | x+(-81)=157 | | 78+n-45=785 | | 3r+2t=15 | | 5(2x-7)+3=28 | | -5.6(4t+6)-1.5(3t-5)= | | x-(-5)=-11.2 | | -3j^2-54j+15=0 | | p(x)=.04x^2-3x+2x^08-5200 | | 18y=36-2x | | 150-3x=24+21 | | 3/2-6 | | y/15-3=9 | | 3+3n=-7(5n+5) | | 5z+6+z+8= | | c=135+52(3.25) | | 12-10x=24x+21 | | 3x^2-16x-13=0 | | k^2+12k+23=0 | | 3x+6x=-85-10x | | (7(x+8))+1.07=343.47 | | 5(x-1)=140/14 | | k^2+26k+19=0 | | 4-2x=x-8 | | -3-3x=-3(3x+7) | | (2x+60)-(x+8)=40 | | 6g+88=9g-25 |

Equations solver categories