3t^2+12t-92=0

Simple and best practice solution for 3t^2+12t-92=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 3t^2+12t-92=0 equation:


Simplifying
3t2 + 12t + -92 = 0

Reorder the terms:
-92 + 12t + 3t2 = 0

Solving
-92 + 12t + 3t2 = 0

Solving for variable 't'.

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

Divide each side by '3'.
-30.66666667 + 4t + t2 = 0

Move the constant term to the right:

Add '30.66666667' to each side of the equation.
-30.66666667 + 4t + 30.66666667 + t2 = 0 + 30.66666667

Reorder the terms:
-30.66666667 + 30.66666667 + 4t + t2 = 0 + 30.66666667

Combine like terms: -30.66666667 + 30.66666667 = 0.00000000
0.00000000 + 4t + t2 = 0 + 30.66666667
4t + t2 = 0 + 30.66666667

Combine like terms: 0 + 30.66666667 = 30.66666667
4t + t2 = 30.66666667

The t term is 4t.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4t + 4 + t2 = 30.66666667 + 4

Reorder the terms:
4 + 4t + t2 = 30.66666667 + 4

Combine like terms: 30.66666667 + 4 = 34.66666667
4 + 4t + t2 = 34.66666667

Factor a perfect square on the left side:
(t + 2)(t + 2) = 34.66666667

Calculate the square root of the right side: 5.887840578

Break this problem into two subproblems by setting 
(t + 2) equal to 5.887840578 and -5.887840578.

Subproblem 1

t + 2 = 5.887840578 Simplifying t + 2 = 5.887840578 Reorder the terms: 2 + t = 5.887840578 Solving 2 + t = 5.887840578 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + t = 5.887840578 + -2 Combine like terms: 2 + -2 = 0 0 + t = 5.887840578 + -2 t = 5.887840578 + -2 Combine like terms: 5.887840578 + -2 = 3.887840578 t = 3.887840578 Simplifying t = 3.887840578

Subproblem 2

t + 2 = -5.887840578 Simplifying t + 2 = -5.887840578 Reorder the terms: 2 + t = -5.887840578 Solving 2 + t = -5.887840578 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + t = -5.887840578 + -2 Combine like terms: 2 + -2 = 0 0 + t = -5.887840578 + -2 t = -5.887840578 + -2 Combine like terms: -5.887840578 + -2 = -7.887840578 t = -7.887840578 Simplifying t = -7.887840578

Solution

The solution to the problem is based on the solutions from the subproblems. t = {3.887840578, -7.887840578}

See similar equations:

| 4(30)-5-7(30)=-5((30)-11) | | 95+-3=77 | | X^2=32.5 | | 157=-3+5(5m-3) | | |x+4|+5=8 | | (-6y-2)+5(3+2y)= | | 15n+n=55 | | 0.3+0.7m=0.7m-0.7 | | -12=-2+0.2[20-6h] | | 1-4x=-3x+4 | | 0.8x+.7y=300 | | -6+4=-5 | | 9+b/5=19 | | 0=6z^2-21+9 | | 100+65+120+150+90+0+x=100 | | 0.6(-0.8+x)=-120 | | 12b^2+13b-4=0 | | 10m-(4m+8)=-20 | | |x|-14=6 | | 5p-8p=-24 | | 1-6x-10+8x= | | 16=10+2s | | 5m+5z=q | | X=56+72 | | (x+4)(5x+4)(2x-1)= | | 9x+8=14y | | 4x+20=28-7x-14 | | 5p+8p=24 | | -21=h/4+3 | | 2(3+v)=4v-5 | | -1x+21=18 | | u/2+5=-12 |

Equations solver categories