65(t)=-16t^2+85t+1

Simple and best practice solution for 65(t)=-16t^2+85t+1 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 65(t)=-16t^2+85t+1 equation:


Simplifying
65(t) = -16t2 + 85t + 1

Reorder the terms:
65t = 1 + 85t + -16t2

Solving
65t = 1 + 85t + -16t2

Solving for variable 't'.

Reorder the terms:
-1 + 65t + -85t + 16t2 = 1 + 85t + -16t2 + -1 + -85t + 16t2

Combine like terms: 65t + -85t = -20t
-1 + -20t + 16t2 = 1 + 85t + -16t2 + -1 + -85t + 16t2

Reorder the terms:
-1 + -20t + 16t2 = 1 + -1 + 85t + -85t + -16t2 + 16t2

Combine like terms: 1 + -1 = 0
-1 + -20t + 16t2 = 0 + 85t + -85t + -16t2 + 16t2
-1 + -20t + 16t2 = 85t + -85t + -16t2 + 16t2

Combine like terms: 85t + -85t = 0
-1 + -20t + 16t2 = 0 + -16t2 + 16t2
-1 + -20t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-1 + -20t + 16t2 = 0

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

Divide each side by '16'.
-0.0625 + -1.25t + t2 = 0

Move the constant term to the right:

Add '0.0625' to each side of the equation.
-0.0625 + -1.25t + 0.0625 + t2 = 0 + 0.0625

Reorder the terms:
-0.0625 + 0.0625 + -1.25t + t2 = 0 + 0.0625

Combine like terms: -0.0625 + 0.0625 = 0.0000
0.0000 + -1.25t + t2 = 0 + 0.0625
-1.25t + t2 = 0 + 0.0625

Combine like terms: 0 + 0.0625 = 0.0625
-1.25t + t2 = 0.0625

The t term is -1.25t.  Take half its coefficient (-0.625).
Square it (0.390625) and add it to both sides.

Add '0.390625' to each side of the equation.
-1.25t + 0.390625 + t2 = 0.0625 + 0.390625

Reorder the terms:
0.390625 + -1.25t + t2 = 0.0625 + 0.390625

Combine like terms: 0.0625 + 0.390625 = 0.453125
0.390625 + -1.25t + t2 = 0.453125

Factor a perfect square on the left side:
(t + -0.625)(t + -0.625) = 0.453125

Calculate the square root of the right side: 0.673145601

Break this problem into two subproblems by setting 
(t + -0.625) equal to 0.673145601 and -0.673145601.

Subproblem 1

t + -0.625 = 0.673145601 Simplifying t + -0.625 = 0.673145601 Reorder the terms: -0.625 + t = 0.673145601 Solving -0.625 + t = 0.673145601 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.625' to each side of the equation. -0.625 + 0.625 + t = 0.673145601 + 0.625 Combine like terms: -0.625 + 0.625 = 0.000 0.000 + t = 0.673145601 + 0.625 t = 0.673145601 + 0.625 Combine like terms: 0.673145601 + 0.625 = 1.298145601 t = 1.298145601 Simplifying t = 1.298145601

Subproblem 2

t + -0.625 = -0.673145601 Simplifying t + -0.625 = -0.673145601 Reorder the terms: -0.625 + t = -0.673145601 Solving -0.625 + t = -0.673145601 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.625' to each side of the equation. -0.625 + 0.625 + t = -0.673145601 + 0.625 Combine like terms: -0.625 + 0.625 = 0.000 0.000 + t = -0.673145601 + 0.625 t = -0.673145601 + 0.625 Combine like terms: -0.673145601 + 0.625 = -0.048145601 t = -0.048145601 Simplifying t = -0.048145601

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.298145601, -0.048145601}

See similar equations:

| 3(y-5)=7 | | 10x+7y-50=150 | | 5p+p=54 | | -3y-18=3 | | -18t-6t+8=-16 | | t/5-7=-12 | | 4-72=6-22 | | 3-x*4=8-21 | | -4x-12=-40 | | (3n-7)=-30 | | 2n^2-6n+6=8 | | 65-255x^2-4x^4=0 | | 3(d-5)-4=-19 | | x−5/6=3/8 | | X^2-16xy^2=0 | | 14x(10x-3)=17 | | 65-255x^2-4=0 | | 3m+1=15m | | 2x+7=10+x | | 6a^2b^2-ab^3-b^4=0 | | Xy=2015whatisx | | f(x)=-10x^2-50x | | 15a^2+10ab= | | 2x^2+x=114 | | (4x-1)/7=2x | | T(n)=n+10 | | x-12y=150 | | w+927=389 | | 3x*5=0 | | Log(3x+2)=2 | | X+0.06x=x | | (3v+6x)(4v-6x-2)= |

Equations solver categories