t^2=3.125t-1.5

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Solution for t^2=3.125t-1.5 equation:


Simplifying
t2 = 3.125t + -1.5

Reorder the terms:
t2 = -1.5 + 3.125t

Solving
t2 = -1.5 + 3.125t

Solving for variable 't'.

Reorder the terms:
1.5 + -3.125t + t2 = -1.5 + 3.125t + 1.5 + -3.125t

Reorder the terms:
1.5 + -3.125t + t2 = -1.5 + 1.5 + 3.125t + -3.125t

Combine like terms: -1.5 + 1.5 = 0.0
1.5 + -3.125t + t2 = 0.0 + 3.125t + -3.125t
1.5 + -3.125t + t2 = 3.125t + -3.125t

Combine like terms: 3.125t + -3.125t = 0.000
1.5 + -3.125t + t2 = 0.000

Begin completing the square.

Move the constant term to the right:

Add '-1.5' to each side of the equation.
1.5 + -3.125t + -1.5 + t2 = 0.000 + -1.5

Reorder the terms:
1.5 + -1.5 + -3.125t + t2 = 0.000 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -3.125t + t2 = 0.000 + -1.5
-3.125t + t2 = 0.000 + -1.5

Combine like terms: 0.000 + -1.5 = -1.5
-3.125t + t2 = -1.5

The t term is -3.125t.  Take half its coefficient (-1.5625).
Square it (2.44140625) and add it to both sides.

Add '2.44140625' to each side of the equation.
-3.125t + 2.44140625 + t2 = -1.5 + 2.44140625

Reorder the terms:
2.44140625 + -3.125t + t2 = -1.5 + 2.44140625

Combine like terms: -1.5 + 2.44140625 = 0.94140625
2.44140625 + -3.125t + t2 = 0.94140625

Factor a perfect square on the left side:
(t + -1.5625)(t + -1.5625) = 0.94140625

Calculate the square root of the right side: 0.970260919

Break this problem into two subproblems by setting 
(t + -1.5625) equal to 0.970260919 and -0.970260919.

Subproblem 1

t + -1.5625 = 0.970260919 Simplifying t + -1.5625 = 0.970260919 Reorder the terms: -1.5625 + t = 0.970260919 Solving -1.5625 + t = 0.970260919 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.5625' to each side of the equation. -1.5625 + 1.5625 + t = 0.970260919 + 1.5625 Combine like terms: -1.5625 + 1.5625 = 0.0000 0.0000 + t = 0.970260919 + 1.5625 t = 0.970260919 + 1.5625 Combine like terms: 0.970260919 + 1.5625 = 2.532760919 t = 2.532760919 Simplifying t = 2.532760919

Subproblem 2

t + -1.5625 = -0.970260919 Simplifying t + -1.5625 = -0.970260919 Reorder the terms: -1.5625 + t = -0.970260919 Solving -1.5625 + t = -0.970260919 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.5625' to each side of the equation. -1.5625 + 1.5625 + t = -0.970260919 + 1.5625 Combine like terms: -1.5625 + 1.5625 = 0.0000 0.0000 + t = -0.970260919 + 1.5625 t = -0.970260919 + 1.5625 Combine like terms: -0.970260919 + 1.5625 = 0.592239081 t = 0.592239081 Simplifying t = 0.592239081

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.532760919, 0.592239081}

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