0=-4T^2+3T+375

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Solution for 0=-4T^2+3T+375 equation:


Simplifying
0 = -4T2 + 3T + 375

Reorder the terms:
0 = 375 + 3T + -4T2

Solving
0 = 375 + 3T + -4T2

Solving for variable 'T'.

Combine like terms: 0 + -375 = -375
-375 + -3T + 4T2 = 375 + 3T + -4T2 + -375 + -3T + 4T2

Reorder the terms:
-375 + -3T + 4T2 = 375 + -375 + 3T + -3T + -4T2 + 4T2

Combine like terms: 375 + -375 = 0
-375 + -3T + 4T2 = 0 + 3T + -3T + -4T2 + 4T2
-375 + -3T + 4T2 = 3T + -3T + -4T2 + 4T2

Combine like terms: 3T + -3T = 0
-375 + -3T + 4T2 = 0 + -4T2 + 4T2
-375 + -3T + 4T2 = -4T2 + 4T2

Combine like terms: -4T2 + 4T2 = 0
-375 + -3T + 4T2 = 0

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

Divide each side by '4'.
-93.75 + -0.75T + T2 = 0

Move the constant term to the right:

Add '93.75' to each side of the equation.
-93.75 + -0.75T + 93.75 + T2 = 0 + 93.75

Reorder the terms:
-93.75 + 93.75 + -0.75T + T2 = 0 + 93.75

Combine like terms: -93.75 + 93.75 = 0.00
0.00 + -0.75T + T2 = 0 + 93.75
-0.75T + T2 = 0 + 93.75

Combine like terms: 0 + 93.75 = 93.75
-0.75T + T2 = 93.75

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 = 93.75 + 0.140625

Reorder the terms:
0.140625 + -0.75T + T2 = 93.75 + 0.140625

Combine like terms: 93.75 + 0.140625 = 93.890625
0.140625 + -0.75T + T2 = 93.890625

Factor a perfect square on the left side:
(T + -0.375)(T + -0.375) = 93.890625

Calculate the square root of the right side: 9.689717488

Break this problem into two subproblems by setting 
(T + -0.375) equal to 9.689717488 and -9.689717488.

Subproblem 1

T + -0.375 = 9.689717488 Simplifying T + -0.375 = 9.689717488 Reorder the terms: -0.375 + T = 9.689717488 Solving -0.375 + T = 9.689717488 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 = 9.689717488 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + T = 9.689717488 + 0.375 T = 9.689717488 + 0.375 Combine like terms: 9.689717488 + 0.375 = 10.064717488 T = 10.064717488 Simplifying T = 10.064717488

Subproblem 2

T + -0.375 = -9.689717488 Simplifying T + -0.375 = -9.689717488 Reorder the terms: -0.375 + T = -9.689717488 Solving -0.375 + T = -9.689717488 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 = -9.689717488 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + T = -9.689717488 + 0.375 T = -9.689717488 + 0.375 Combine like terms: -9.689717488 + 0.375 = -9.314717488 T = -9.314717488 Simplifying T = -9.314717488

Solution

The solution to the problem is based on the solutions from the subproblems. T = {10.064717488, -9.314717488}

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