15=-16t^2+34t+5.7

Simple and best practice solution for 15=-16t^2+34t+5.7 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 15=-16t^2+34t+5.7 equation:


Simplifying
15 = -16t2 + 34t + 5.7

Reorder the terms:
15 = 5.7 + 34t + -16t2

Solving
15 = 5.7 + 34t + -16t2

Solving for variable 't'.

Combine like terms: 15 + -5.7 = 9.3
9.3 + -34t + 16t2 = 5.7 + 34t + -16t2 + -5.7 + -34t + 16t2

Reorder the terms:
9.3 + -34t + 16t2 = 5.7 + -5.7 + 34t + -34t + -16t2 + 16t2

Combine like terms: 5.7 + -5.7 = 0.0
9.3 + -34t + 16t2 = 0.0 + 34t + -34t + -16t2 + 16t2
9.3 + -34t + 16t2 = 34t + -34t + -16t2 + 16t2

Combine like terms: 34t + -34t = 0
9.3 + -34t + 16t2 = 0 + -16t2 + 16t2
9.3 + -34t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
9.3 + -34t + 16t2 = 0

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

Divide each side by '16'.
0.58125 + -2.125t + t2 = 0

Move the constant term to the right:

Add '-0.58125' to each side of the equation.
0.58125 + -2.125t + -0.58125 + t2 = 0 + -0.58125

Reorder the terms:
0.58125 + -0.58125 + -2.125t + t2 = 0 + -0.58125

Combine like terms: 0.58125 + -0.58125 = 0.00000
0.00000 + -2.125t + t2 = 0 + -0.58125
-2.125t + t2 = 0 + -0.58125

Combine like terms: 0 + -0.58125 = -0.58125
-2.125t + t2 = -0.58125

The t term is -2.125t.  Take half its coefficient (-1.0625).
Square it (1.12890625) and add it to both sides.

Add '1.12890625' to each side of the equation.
-2.125t + 1.12890625 + t2 = -0.58125 + 1.12890625

Reorder the terms:
1.12890625 + -2.125t + t2 = -0.58125 + 1.12890625

Combine like terms: -0.58125 + 1.12890625 = 0.54765625
1.12890625 + -2.125t + t2 = 0.54765625

Factor a perfect square on the left side:
(t + -1.0625)(t + -1.0625) = 0.54765625

Calculate the square root of the right side: 0.740038006

Break this problem into two subproblems by setting 
(t + -1.0625) equal to 0.740038006 and -0.740038006.

Subproblem 1

t + -1.0625 = 0.740038006 Simplifying t + -1.0625 = 0.740038006 Reorder the terms: -1.0625 + t = 0.740038006 Solving -1.0625 + t = 0.740038006 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.0625' to each side of the equation. -1.0625 + 1.0625 + t = 0.740038006 + 1.0625 Combine like terms: -1.0625 + 1.0625 = 0.0000 0.0000 + t = 0.740038006 + 1.0625 t = 0.740038006 + 1.0625 Combine like terms: 0.740038006 + 1.0625 = 1.802538006 t = 1.802538006 Simplifying t = 1.802538006

Subproblem 2

t + -1.0625 = -0.740038006 Simplifying t + -1.0625 = -0.740038006 Reorder the terms: -1.0625 + t = -0.740038006 Solving -1.0625 + t = -0.740038006 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.0625' to each side of the equation. -1.0625 + 1.0625 + t = -0.740038006 + 1.0625 Combine like terms: -1.0625 + 1.0625 = 0.0000 0.0000 + t = -0.740038006 + 1.0625 t = -0.740038006 + 1.0625 Combine like terms: -0.740038006 + 1.0625 = 0.322461994 t = 0.322461994 Simplifying t = 0.322461994

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.802538006, 0.322461994}

See similar equations:

| Abs(2-5x)+6=23 | | 3x-2(x+10)=x-10 | | 5(x-2)=2-8x | | h=-25t^2+qt+b | | 56x^2-96x=32 | | 130-5m=95 | | ((3a*^(3/2)*y^3)/(a^2*y^(-1/2)))^-2 | | -15-2g+6g=1 | | 2A+2=3q-18 | | 7x=12(6x-(5x+(4x-1)))+5 | | 3+A=B | | 4x-3y+7=36 | | 4(r-2)+2(2+1)=12 | | 8f-3=7f+10 | | 3XA=B | | 6(5b-2)=3(2b+4) | | 3(6z-2)=246 | | 6v+1=4v+29 | | -6=23-2x | | 4-3(x+1)=7-3x | | 2(2j+2)=2(6j-2) | | x^3-6x^2-0x=0 | | 3x+11=-2+1 | | 282=6(4i+3) | | 9.4-x=1.5 | | 9s-2=8s+1 | | 6(2u-5)=3(3u-1) | | 3(m+2)=3m+2 | | 176=4(6s+2) | | X^2+16x-600=0 | | 4g-4=g+26 | | z^2=-0.5 |

Equations solver categories