4t^2-3t-25=

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Solution for 4t^2-3t-25= equation:


Simplifying
4t2 + -3t + -25 = 0

Reorder the terms:
-25 + -3t + 4t2 = 0

Solving
-25 + -3t + 4t2 = 0

Solving for variable 't'.

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

Divide each side by '4'.
-6.25 + -0.75t + t2 = 0

Move the constant term to the right:

Add '6.25' to each side of the equation.
-6.25 + -0.75t + 6.25 + t2 = 0 + 6.25

Reorder the terms:
-6.25 + 6.25 + -0.75t + t2 = 0 + 6.25

Combine like terms: -6.25 + 6.25 = 0.00
0.00 + -0.75t + t2 = 0 + 6.25
-0.75t + t2 = 0 + 6.25

Combine like terms: 0 + 6.25 = 6.25
-0.75t + t2 = 6.25

The t term is -0.75t.  Take half its coefficient (-0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
-0.75t + 0.140625 + t2 = 6.25 + 0.140625

Reorder the terms:
0.140625 + -0.75t + t2 = 6.25 + 0.140625

Combine like terms: 6.25 + 0.140625 = 6.390625
0.140625 + -0.75t + t2 = 6.390625

Factor a perfect square on the left side:
(t + -0.375)(t + -0.375) = 6.390625

Calculate the square root of the right side: 2.527968552

Break this problem into two subproblems by setting 
(t + -0.375) equal to 2.527968552 and -2.527968552.

Subproblem 1

t + -0.375 = 2.527968552 Simplifying t + -0.375 = 2.527968552 Reorder the terms: -0.375 + t = 2.527968552 Solving -0.375 + t = 2.527968552 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + t = 2.527968552 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + t = 2.527968552 + 0.375 t = 2.527968552 + 0.375 Combine like terms: 2.527968552 + 0.375 = 2.902968552 t = 2.902968552 Simplifying t = 2.902968552

Subproblem 2

t + -0.375 = -2.527968552 Simplifying t + -0.375 = -2.527968552 Reorder the terms: -0.375 + t = -2.527968552 Solving -0.375 + t = -2.527968552 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + t = -2.527968552 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + t = -2.527968552 + 0.375 t = -2.527968552 + 0.375 Combine like terms: -2.527968552 + 0.375 = -2.152968552 t = -2.152968552 Simplifying t = -2.152968552

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.902968552, -2.152968552}

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