0=-16t^2+38t+15

Simple and best practice solution for 0=-16t^2+38t+15 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+38t+15 equation:


Simplifying
0 = -16t2 + 38t + 15

Reorder the terms:
0 = 15 + 38t + -16t2

Solving
0 = 15 + 38t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -15 = -15
-15 + -38t + 16t2 = 15 + 38t + -16t2 + -15 + -38t + 16t2

Reorder the terms:
-15 + -38t + 16t2 = 15 + -15 + 38t + -38t + -16t2 + 16t2

Combine like terms: 15 + -15 = 0
-15 + -38t + 16t2 = 0 + 38t + -38t + -16t2 + 16t2
-15 + -38t + 16t2 = 38t + -38t + -16t2 + 16t2

Combine like terms: 38t + -38t = 0
-15 + -38t + 16t2 = 0 + -16t2 + 16t2
-15 + -38t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-15 + -38t + 16t2 = 0

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

Divide each side by '16'.
-0.9375 + -2.375t + t2 = 0

Move the constant term to the right:

Add '0.9375' to each side of the equation.
-0.9375 + -2.375t + 0.9375 + t2 = 0 + 0.9375

Reorder the terms:
-0.9375 + 0.9375 + -2.375t + t2 = 0 + 0.9375

Combine like terms: -0.9375 + 0.9375 = 0.0000
0.0000 + -2.375t + t2 = 0 + 0.9375
-2.375t + t2 = 0 + 0.9375

Combine like terms: 0 + 0.9375 = 0.9375
-2.375t + t2 = 0.9375

The t term is -2.375t.  Take half its coefficient (-1.1875).
Square it (1.41015625) and add it to both sides.

Add '1.41015625' to each side of the equation.
-2.375t + 1.41015625 + t2 = 0.9375 + 1.41015625

Reorder the terms:
1.41015625 + -2.375t + t2 = 0.9375 + 1.41015625

Combine like terms: 0.9375 + 1.41015625 = 2.34765625
1.41015625 + -2.375t + t2 = 2.34765625

Factor a perfect square on the left side:
(t + -1.1875)(t + -1.1875) = 2.34765625

Calculate the square root of the right side: 1.532206334

Break this problem into two subproblems by setting 
(t + -1.1875) equal to 1.532206334 and -1.532206334.

Subproblem 1

t + -1.1875 = 1.532206334 Simplifying t + -1.1875 = 1.532206334 Reorder the terms: -1.1875 + t = 1.532206334 Solving -1.1875 + t = 1.532206334 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.1875' to each side of the equation. -1.1875 + 1.1875 + t = 1.532206334 + 1.1875 Combine like terms: -1.1875 + 1.1875 = 0.0000 0.0000 + t = 1.532206334 + 1.1875 t = 1.532206334 + 1.1875 Combine like terms: 1.532206334 + 1.1875 = 2.719706334 t = 2.719706334 Simplifying t = 2.719706334

Subproblem 2

t + -1.1875 = -1.532206334 Simplifying t + -1.1875 = -1.532206334 Reorder the terms: -1.1875 + t = -1.532206334 Solving -1.1875 + t = -1.532206334 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.1875' to each side of the equation. -1.1875 + 1.1875 + t = -1.532206334 + 1.1875 Combine like terms: -1.1875 + 1.1875 = 0.0000 0.0000 + t = -1.532206334 + 1.1875 t = -1.532206334 + 1.1875 Combine like terms: -1.532206334 + 1.1875 = -0.344706334 t = -0.344706334 Simplifying t = -0.344706334

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.719706334, -0.344706334}

See similar equations:

| -9z-z=-3z-3+8z | | 300/P=Y-3(1.96-1/75Y) | | 1/7(7x-2)=-9/4-3/4 | | 3.2=1.25 | | 3x+4(x-20)=298 | | R(100)=r(100=h)-R9100)/h | | 0.6=0.3-0.25 | | 5/8k-1/2=1/9 | | 6x+3(x-20)=426 | | 2n^4-9n^4+4=0 | | g(x)=-x^2+5x+3 | | g(x)=-x^2+5x+3findg(p) | | R(100)=4500 | | 108=.5(12)(b+13) | | 3n^3-4n^2=-1 | | (x^2D^2+xD-9I)y=48x^5 | | 14y=21 | | f(x)=8x^2+10x-2 | | f(10)=8x^2+10x-2 | | 96m=2(31)+2w | | 96=2(31)+2w | | 4x^2-32x+160=0 | | Z^6=1-i | | B/2.78=9 | | -5(4n+4)=15 | | 8(x)+4(y)=322 | | 1/3=h-2/3 | | 10X+-6=-7+-9X | | 8x+4y=322 | | P/27=2/9 | | 7.3x-3.2=4.1 | | -1=-4/7n |

Equations solver categories