123=-16t^2+123t

Simple and best practice solution for 123=-16t^2+123t 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 123=-16t^2+123t equation:


Simplifying
123 = -16t2 + 123t

Reorder the terms:
123 = 123t + -16t2

Solving
123 = 123t + -16t2

Solving for variable 't'.

Reorder the terms:
123 + -123t + 16t2 = 123t + -123t + -16t2 + 16t2

Combine like terms: 123t + -123t = 0
123 + -123t + 16t2 = 0 + -16t2 + 16t2
123 + -123t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
123 + -123t + 16t2 = 0

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

Divide each side by '16'.
7.6875 + -7.6875t + t2 = 0

Move the constant term to the right:

Add '-7.6875' to each side of the equation.
7.6875 + -7.6875t + -7.6875 + t2 = 0 + -7.6875

Reorder the terms:
7.6875 + -7.6875 + -7.6875t + t2 = 0 + -7.6875

Combine like terms: 7.6875 + -7.6875 = 0.0000
0.0000 + -7.6875t + t2 = 0 + -7.6875
-7.6875t + t2 = 0 + -7.6875

Combine like terms: 0 + -7.6875 = -7.6875
-7.6875t + t2 = -7.6875

The t term is -7.6875t.  Take half its coefficient (-3.84375).
Square it (14.77441406) and add it to both sides.

Add '14.77441406' to each side of the equation.
-7.6875t + 14.77441406 + t2 = -7.6875 + 14.77441406

Reorder the terms:
14.77441406 + -7.6875t + t2 = -7.6875 + 14.77441406

Combine like terms: -7.6875 + 14.77441406 = 7.08691406
14.77441406 + -7.6875t + t2 = 7.08691406

Factor a perfect square on the left side:
(t + -3.84375)(t + -3.84375) = 7.08691406

Calculate the square root of the right side: 2.662125854

Break this problem into two subproblems by setting 
(t + -3.84375) equal to 2.662125854 and -2.662125854.

Subproblem 1

t + -3.84375 = 2.662125854 Simplifying t + -3.84375 = 2.662125854 Reorder the terms: -3.84375 + t = 2.662125854 Solving -3.84375 + t = 2.662125854 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.84375' to each side of the equation. -3.84375 + 3.84375 + t = 2.662125854 + 3.84375 Combine like terms: -3.84375 + 3.84375 = 0.00000 0.00000 + t = 2.662125854 + 3.84375 t = 2.662125854 + 3.84375 Combine like terms: 2.662125854 + 3.84375 = 6.505875854 t = 6.505875854 Simplifying t = 6.505875854

Subproblem 2

t + -3.84375 = -2.662125854 Simplifying t + -3.84375 = -2.662125854 Reorder the terms: -3.84375 + t = -2.662125854 Solving -3.84375 + t = -2.662125854 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.84375' to each side of the equation. -3.84375 + 3.84375 + t = -2.662125854 + 3.84375 Combine like terms: -3.84375 + 3.84375 = 0.00000 0.00000 + t = -2.662125854 + 3.84375 t = -2.662125854 + 3.84375 Combine like terms: -2.662125854 + 3.84375 = 1.181624146 t = 1.181624146 Simplifying t = 1.181624146

Solution

The solution to the problem is based on the solutions from the subproblems. t = {6.505875854, 1.181624146}

See similar equations:

| 0=3x^2+3x-18 | | 2(6y+5)-y= | | 4x+4+11x+41=180 | | (1*a)+(3*b)+(10*c)=705 | | -(4a-7)+2a-8= | | x=95+-3y | | 7(x+5)=190 | | y+(2x+5)+(5y-15)=180 | | -4b-2+5-3b-4=3(5b+7) | | 1.2x-0.8=0.6x-0.4 | | 112=-16t+96t+4 | | 5x+7=190 | | 1175.0508=6.28*r^2+6.28*r*23.4 | | 7(3v-9)= | | 3x+20=2x-5 | | 5u+17=87 | | X*3-7=5 | | 9.5-28= | | 3(X-2Yi)+4Xi=12+4i | | 1+6m+7m+4= | | 1.2x+0.8=0.6x-0.4 | | h(x)=8/4x^2-5 | | 59=4w-9 | | 7n+4=39 | | -3(9v-3)+2v=-7(v+1) | | 3X-6Yi+4Xi=12+4i | | 3x-2x+7x=-3 | | 1.25(z+72)=273.75 | | 6x-26=60+4x | | 5-(-4+4i)-(-3-i)=0 | | 3x-2x+7ifx=-3 | | 1.25(z+72)=250 |

Equations solver categories