-16t^2+195t=87

Simple and best practice solution for -16t^2+195t=87 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 -16t^2+195t=87 equation:


Simplifying
-16t2 + 195t = 87

Reorder the terms:
195t + -16t2 = 87

Solving
195t + -16t2 = 87

Solving for variable 't'.

Reorder the terms:
-87 + 195t + -16t2 = 87 + -87

Combine like terms: 87 + -87 = 0
-87 + 195t + -16t2 = 0

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

Divide each side by '-16'.
5.4375 + -12.1875t + t2 = 0

Move the constant term to the right:

Add '-5.4375' to each side of the equation.
5.4375 + -12.1875t + -5.4375 + t2 = 0 + -5.4375

Reorder the terms:
5.4375 + -5.4375 + -12.1875t + t2 = 0 + -5.4375

Combine like terms: 5.4375 + -5.4375 = 0.0000
0.0000 + -12.1875t + t2 = 0 + -5.4375
-12.1875t + t2 = 0 + -5.4375

Combine like terms: 0 + -5.4375 = -5.4375
-12.1875t + t2 = -5.4375

The t term is -12.1875t.  Take half its coefficient (-6.09375).
Square it (37.13378906) and add it to both sides.

Add '37.13378906' to each side of the equation.
-12.1875t + 37.13378906 + t2 = -5.4375 + 37.13378906

Reorder the terms:
37.13378906 + -12.1875t + t2 = -5.4375 + 37.13378906

Combine like terms: -5.4375 + 37.13378906 = 31.69628906
37.13378906 + -12.1875t + t2 = 31.69628906

Factor a perfect square on the left side:
(t + -6.09375)(t + -6.09375) = 31.69628906

Calculate the square root of the right side: 5.629945742

Break this problem into two subproblems by setting 
(t + -6.09375) equal to 5.629945742 and -5.629945742.

Subproblem 1

t + -6.09375 = 5.629945742 Simplifying t + -6.09375 = 5.629945742 Reorder the terms: -6.09375 + t = 5.629945742 Solving -6.09375 + t = 5.629945742 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '6.09375' to each side of the equation. -6.09375 + 6.09375 + t = 5.629945742 + 6.09375 Combine like terms: -6.09375 + 6.09375 = 0.00000 0.00000 + t = 5.629945742 + 6.09375 t = 5.629945742 + 6.09375 Combine like terms: 5.629945742 + 6.09375 = 11.723695742 t = 11.723695742 Simplifying t = 11.723695742

Subproblem 2

t + -6.09375 = -5.629945742 Simplifying t + -6.09375 = -5.629945742 Reorder the terms: -6.09375 + t = -5.629945742 Solving -6.09375 + t = -5.629945742 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '6.09375' to each side of the equation. -6.09375 + 6.09375 + t = -5.629945742 + 6.09375 Combine like terms: -6.09375 + 6.09375 = 0.00000 0.00000 + t = -5.629945742 + 6.09375 t = -5.629945742 + 6.09375 Combine like terms: -5.629945742 + 6.09375 = 0.463804258 t = 0.463804258 Simplifying t = 0.463804258

Solution

The solution to the problem is based on the solutions from the subproblems. t = {11.723695742, 0.463804258}

See similar equations:

| y+0.6y= | | y+-0.6y= | | 4y+7=5Y-6 | | 4y+7=2(5Y-6) | | 6z+10=2(4z-7) | | 8x-6=x-2 | | 2x+x+47=4x | | 6Y+14=2(4y-10) | | 6Y+14=4y-10 | | 4x^2+8x+4y^2=0 | | y+0.55y= | | y-0.55y= | | (x^2)+3x-8=0 | | y-0.85y= | | y-0.75y= | | y+-0.8y= | | y-.6y=.4y | | y-.6y= | | (20-x)*x=64 | | 44r+36s=2k | | 6-x+x+2+2x-2+2x+1=19 | | 4y(y+2)(y+8)=0 | | (4u+1)(5+u)=0 | | -2(t-4)=12 | | ln(2x+6)-lnx=3 | | -12x-8=64 | | 73x=-8 | | 73x=8 | | (5x^4+3x^3+7)-(2x^3-9+x)= | | 3x^2-26x+18=2 | | x^3+3x^2-24x-10=0 | | x^3-13x-12x^3= |

Equations solver categories