5t^2+5t=1.5

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Solution for 5t^2+5t=1.5 equation:


Simplifying
5t2 + 5t = 1.5

Reorder the terms:
5t + 5t2 = 1.5

Solving
5t + 5t2 = 1.5

Solving for variable 't'.

Reorder the terms:
-1.5 + 5t + 5t2 = 1.5 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
-1.5 + 5t + 5t2 = 0.0

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

Divide each side by '5'.
-0.3 + t + t2 = 0.0

Move the constant term to the right:

Add '0.3' to each side of the equation.
-0.3 + t + 0.3 + t2 = 0.0 + 0.3

Reorder the terms:
-0.3 + 0.3 + t + t2 = 0.0 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + t + t2 = 0.0 + 0.3
t + t2 = 0.0 + 0.3

Combine like terms: 0.0 + 0.3 = 0.3
t + t2 = 0.3

The t term is t.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + t2 = 0.3 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + t2 = 0.3 + 0.25

Combine like terms: 0.3 + 0.25 = 0.55
1.25 + t2 = 0.55

Factor a perfect square on the left side:
(t + 0.5)(t + 0.5) = 0.55

Calculate the square root of the right side: 0.741619849

Break this problem into two subproblems by setting 
(t + 0.5) equal to 0.741619849 and -0.741619849.

Subproblem 1

t + 0.5 = 0.741619849 Simplifying t + 0.5 = 0.741619849 Reorder the terms: 0.5 + t = 0.741619849 Solving 0.5 + t = 0.741619849 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + t = 0.741619849 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + t = 0.741619849 + -0.5 t = 0.741619849 + -0.5 Combine like terms: 0.741619849 + -0.5 = 0.241619849 t = 0.241619849 Simplifying t = 0.241619849

Subproblem 2

t + 0.5 = -0.741619849 Simplifying t + 0.5 = -0.741619849 Reorder the terms: 0.5 + t = -0.741619849 Solving 0.5 + t = -0.741619849 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + t = -0.741619849 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + t = -0.741619849 + -0.5 t = -0.741619849 + -0.5 Combine like terms: -0.741619849 + -0.5 = -1.241619849 t = -1.241619849 Simplifying t = -1.241619849

Solution

The solution to the problem is based on the solutions from the subproblems. t = {0.241619849, -1.241619849}

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