3t^2+6t-43=0

Simple and best practice solution for 3t^2+6t-43=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+6t-43=0 equation:


Simplifying
3t2 + 6t + -43 = 0

Reorder the terms:
-43 + 6t + 3t2 = 0

Solving
-43 + 6t + 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'.
-14.33333333 + 2t + t2 = 0

Move the constant term to the right:

Add '14.33333333' to each side of the equation.
-14.33333333 + 2t + 14.33333333 + t2 = 0 + 14.33333333

Reorder the terms:
-14.33333333 + 14.33333333 + 2t + t2 = 0 + 14.33333333

Combine like terms: -14.33333333 + 14.33333333 = 0.00000000
0.00000000 + 2t + t2 = 0 + 14.33333333
2t + t2 = 0 + 14.33333333

Combine like terms: 0 + 14.33333333 = 14.33333333
2t + t2 = 14.33333333

The t term is 2t.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2t + 1 + t2 = 14.33333333 + 1

Reorder the terms:
1 + 2t + t2 = 14.33333333 + 1

Combine like terms: 14.33333333 + 1 = 15.33333333
1 + 2t + t2 = 15.33333333

Factor a perfect square on the left side:
(t + 1)(t + 1) = 15.33333333

Calculate the square root of the right side: 3.915780041

Break this problem into two subproblems by setting 
(t + 1) equal to 3.915780041 and -3.915780041.

Subproblem 1

t + 1 = 3.915780041 Simplifying t + 1 = 3.915780041 Reorder the terms: 1 + t = 3.915780041 Solving 1 + t = 3.915780041 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + t = 3.915780041 + -1 Combine like terms: 1 + -1 = 0 0 + t = 3.915780041 + -1 t = 3.915780041 + -1 Combine like terms: 3.915780041 + -1 = 2.915780041 t = 2.915780041 Simplifying t = 2.915780041

Subproblem 2

t + 1 = -3.915780041 Simplifying t + 1 = -3.915780041 Reorder the terms: 1 + t = -3.915780041 Solving 1 + t = -3.915780041 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + t = -3.915780041 + -1 Combine like terms: 1 + -1 = 0 0 + t = -3.915780041 + -1 t = -3.915780041 + -1 Combine like terms: -3.915780041 + -1 = -4.915780041 t = -4.915780041 Simplifying t = -4.915780041

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.915780041, -4.915780041}

See similar equations:

| -21.5=9.5+3(y+4.5) | | f(2)=3(2)^2-7/4(2)^2-3 | | 6(1+2x)=-30 | | 6m-6=3m+9 | | 7w-6+3w=56-w+46 | | f(2)=3x^2-7/4x^2-3 | | 4(x+1)(x-2)+5x(x-2)=28x(x+1) | | 6-(m+2)=5(3m-4) | | 4=(4/8)=3/4 | | 47.6+8= | | x^4=-49+50x^2 | | 6.4*1.4375+3.3=n | | y-4=.333(x-(-1)) | | 8x-6(x-2)=20-2x | | 95.2+8= | | 2/3x=4=18 | | 124+3-6= | | 6.4*1.4375+3.3= | | 5+4=109 | | 5x-8y=52 | | 4*n+3=9*2-9 | | 1.2(3.1x-4.5)=3.6x-7.8 | | 50x^2-20x+2=0 | | 90/(10-7)2 | | 2-3(7r+5)= | | y-(-3)=-2/7(x-14) | | 1.4375*6.4=n | | 6(4b+2)=36 | | 9.2/6.4 | | 4b=24+2b | | -2x-6×1/4x-3=90 | | 8h-5(2h+7)= |

Equations solver categories