0=-16t^2+38t+7

Simple and best practice solution for 0=-16t^2+38t+7 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+7 equation:


Simplifying
0 = -16t2 + 38t + 7

Reorder the terms:
0 = 7 + 38t + -16t2

Solving
0 = 7 + 38t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -7 = -7
-7 + -38t + 16t2 = 7 + 38t + -16t2 + -7 + -38t + 16t2

Reorder the terms:
-7 + -38t + 16t2 = 7 + -7 + 38t + -38t + -16t2 + 16t2

Combine like terms: 7 + -7 = 0
-7 + -38t + 16t2 = 0 + 38t + -38t + -16t2 + 16t2
-7 + -38t + 16t2 = 38t + -38t + -16t2 + 16t2

Combine like terms: 38t + -38t = 0
-7 + -38t + 16t2 = 0 + -16t2 + 16t2
-7 + -38t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-7 + -38t + 16t2 = 0

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

Divide each side by '16'.
-0.4375 + -2.375t + t2 = 0

Move the constant term to the right:

Add '0.4375' to each side of the equation.
-0.4375 + -2.375t + 0.4375 + t2 = 0 + 0.4375

Reorder the terms:
-0.4375 + 0.4375 + -2.375t + t2 = 0 + 0.4375

Combine like terms: -0.4375 + 0.4375 = 0.0000
0.0000 + -2.375t + t2 = 0 + 0.4375
-2.375t + t2 = 0 + 0.4375

Combine like terms: 0 + 0.4375 = 0.4375
-2.375t + t2 = 0.4375

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 = 0.4375 + 1.41015625

Reorder the terms:
1.41015625 + -2.375t + t2 = 0.4375 + 1.41015625

Combine like terms: 0.4375 + 1.41015625 = 1.84765625
1.41015625 + -2.375t + t2 = 1.84765625

Factor a perfect square on the left side:
(t + -1.1875)(t + -1.1875) = 1.84765625

Calculate the square root of the right side: 1.359285198

Break this problem into two subproblems by setting 
(t + -1.1875) equal to 1.359285198 and -1.359285198.

Subproblem 1

t + -1.1875 = 1.359285198 Simplifying t + -1.1875 = 1.359285198 Reorder the terms: -1.1875 + t = 1.359285198 Solving -1.1875 + t = 1.359285198 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 = 1.359285198 + 1.1875 Combine like terms: -1.1875 + 1.1875 = 0.0000 0.0000 + t = 1.359285198 + 1.1875 t = 1.359285198 + 1.1875 Combine like terms: 1.359285198 + 1.1875 = 2.546785198 t = 2.546785198 Simplifying t = 2.546785198

Subproblem 2

t + -1.1875 = -1.359285198 Simplifying t + -1.1875 = -1.359285198 Reorder the terms: -1.1875 + t = -1.359285198 Solving -1.1875 + t = -1.359285198 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 = -1.359285198 + 1.1875 Combine like terms: -1.1875 + 1.1875 = 0.0000 0.0000 + t = -1.359285198 + 1.1875 t = -1.359285198 + 1.1875 Combine like terms: -1.359285198 + 1.1875 = -0.171785198 t = -0.171785198 Simplifying t = -0.171785198

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.546785198, -0.171785198}

See similar equations:

| (8.5)2x+3=5 | | 8(3x+2)=2(12x+5) | | -0.5+2y=7 | | T-1/2=1/4 | | -2x-6=2-4x-x+1 | | 8.5+2x+3=5 | | 1110=14x-2 | | 12c+9c^2=0 | | 3v+19=-5v+-45 | | -6x+7-3(x-1)=-(5x-5)-3x+3 | | cos(7x)=5 | | 19.5-18= | | 17x+11=18x+4 | | (t-2)(6t^2+t-4)=0 | | 8(3-2y)-3=7-2(3y-4) | | -7p^2-11p=-3-7p-8p^2 | | F(x)=5.50x+85 | | -15=k-5-6k | | 3.5x-1+2x=1-2.5x | | -[10x-(21x+4)]=4+(10x+1) | | c=1/2*k*v | | 30=2w-6+4w | | 4/6(a-b) | | r-1/3=4/15 | | 2x-64=-6x | | 81b^2-25g^2= | | -7(x+7)-3=4(x-8) | | 8m+4m=12 | | 20x-50+14=38 | | 3.4t-24.18=7.6t+10.26 | | x-2.5=5x-7.1 | | 2[x(-2)]=6 |

Equations solver categories