0=-16t^2+128t+9

Simple and best practice solution for 0=-16t^2+128t+9 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 0=-16t^2+128t+9 equation:


Simplifying
0 = -16t2 + 128t + 9

Reorder the terms:
0 = 9 + 128t + -16t2

Solving
0 = 9 + 128t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -9 = -9
-9 + -128t + 16t2 = 9 + 128t + -16t2 + -9 + -128t + 16t2

Reorder the terms:
-9 + -128t + 16t2 = 9 + -9 + 128t + -128t + -16t2 + 16t2

Combine like terms: 9 + -9 = 0
-9 + -128t + 16t2 = 0 + 128t + -128t + -16t2 + 16t2
-9 + -128t + 16t2 = 128t + -128t + -16t2 + 16t2

Combine like terms: 128t + -128t = 0
-9 + -128t + 16t2 = 0 + -16t2 + 16t2
-9 + -128t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-9 + -128t + 16t2 = 0

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

Divide each side by '16'.
-0.5625 + -8t + t2 = 0

Move the constant term to the right:

Add '0.5625' to each side of the equation.
-0.5625 + -8t + 0.5625 + t2 = 0 + 0.5625

Reorder the terms:
-0.5625 + 0.5625 + -8t + t2 = 0 + 0.5625

Combine like terms: -0.5625 + 0.5625 = 0.0000
0.0000 + -8t + t2 = 0 + 0.5625
-8t + t2 = 0 + 0.5625

Combine like terms: 0 + 0.5625 = 0.5625
-8t + t2 = 0.5625

The t term is -8t.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8t + 16 + t2 = 0.5625 + 16

Reorder the terms:
16 + -8t + t2 = 0.5625 + 16

Combine like terms: 0.5625 + 16 = 16.5625
16 + -8t + t2 = 16.5625

Factor a perfect square on the left side:
(t + -4)(t + -4) = 16.5625

Calculate the square root of the right side: 4.069705149

Break this problem into two subproblems by setting 
(t + -4) equal to 4.069705149 and -4.069705149.

Subproblem 1

t + -4 = 4.069705149 Simplifying t + -4 = 4.069705149 Reorder the terms: -4 + t = 4.069705149 Solving -4 + t = 4.069705149 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + t = 4.069705149 + 4 Combine like terms: -4 + 4 = 0 0 + t = 4.069705149 + 4 t = 4.069705149 + 4 Combine like terms: 4.069705149 + 4 = 8.069705149 t = 8.069705149 Simplifying t = 8.069705149

Subproblem 2

t + -4 = -4.069705149 Simplifying t + -4 = -4.069705149 Reorder the terms: -4 + t = -4.069705149 Solving -4 + t = -4.069705149 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + t = -4.069705149 + 4 Combine like terms: -4 + 4 = 0 0 + t = -4.069705149 + 4 t = -4.069705149 + 4 Combine like terms: -4.069705149 + 4 = -0.069705149 t = -0.069705149 Simplifying t = -0.069705149

Solution

The solution to the problem is based on the solutions from the subproblems. t = {8.069705149, -0.069705149}

See similar equations:

| 23=5w-17 | | 18+3x=9x+6 | | a+9=24 | | 13i-(14-7i)= | | -5x+11x-9x= | | -5x-1-6x=98 | | Ln(y)=3 | | 7s-37=11s-9 | | X^2+17x+10= | | 25+b=50 | | (5+i)+(6-2i)= | | Y-5=-2x | | -7n=33-4n | | 6x^4-6x^2y^2=0 | | 81v^2-61=0 | | .5h+.75f=8 | | 19n+6-5n+7=55 | | (3x+1)=180 | | t^3+3t^2-9t+4=0 | | 2h+3f=32 | | 9(x+1)+4(x+2)=2x-11+4(2x-11) | | x=-2.4-x | | 7x^2+28y-84= | | 8n+6+2n=16 | | 7x^2-11+10=0 | | 15+w=2w^2 | | 3f-4-8f=f+4+f | | -3z+12=-48 | | 14t-8=8t | | y^2=x^2-9x-14 | | 2x^2=4x^2 | | 3x-5=(x-2) |

Equations solver categories