t^2+4t=3

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Solution for t^2+4t=3 equation:


Simplifying
t2 + 4t = 3

Reorder the terms:
4t + t2 = 3

Solving
4t + t2 = 3

Solving for variable 't'.

Reorder the terms:
-3 + 4t + t2 = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + 4t + t2 = 0

Begin completing the square.

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + 4t + 3 + t2 = 0 + 3

Reorder the terms:
-3 + 3 + 4t + t2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 4t + t2 = 0 + 3
4t + t2 = 0 + 3

Combine like terms: 0 + 3 = 3
4t + t2 = 3

The t term is 4t.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4t + 4 + t2 = 3 + 4

Reorder the terms:
4 + 4t + t2 = 3 + 4

Combine like terms: 3 + 4 = 7
4 + 4t + t2 = 7

Factor a perfect square on the left side:
(t + 2)(t + 2) = 7

Calculate the square root of the right side: 2.645751311

Break this problem into two subproblems by setting 
(t + 2) equal to 2.645751311 and -2.645751311.

Subproblem 1

t + 2 = 2.645751311 Simplifying t + 2 = 2.645751311 Reorder the terms: 2 + t = 2.645751311 Solving 2 + t = 2.645751311 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + t = 2.645751311 + -2 Combine like terms: 2 + -2 = 0 0 + t = 2.645751311 + -2 t = 2.645751311 + -2 Combine like terms: 2.645751311 + -2 = 0.645751311 t = 0.645751311 Simplifying t = 0.645751311

Subproblem 2

t + 2 = -2.645751311 Simplifying t + 2 = -2.645751311 Reorder the terms: 2 + t = -2.645751311 Solving 2 + t = -2.645751311 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + t = -2.645751311 + -2 Combine like terms: 2 + -2 = 0 0 + t = -2.645751311 + -2 t = -2.645751311 + -2 Combine like terms: -2.645751311 + -2 = -4.645751311 t = -4.645751311 Simplifying t = -4.645751311

Solution

The solution to the problem is based on the solutions from the subproblems. t = {0.645751311, -4.645751311}

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