1.75t^2=245+35t

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Solution for 1.75t^2=245+35t equation:


Simplifying
1.75t2 = 245 + 35t

Solving
1.75t2 = 245 + 35t

Solving for variable 't'.

Reorder the terms:
-245 + -35t + 1.75t2 = 245 + 35t + -245 + -35t

Reorder the terms:
-245 + -35t + 1.75t2 = 245 + -245 + 35t + -35t

Combine like terms: 245 + -245 = 0
-245 + -35t + 1.75t2 = 0 + 35t + -35t
-245 + -35t + 1.75t2 = 35t + -35t

Combine like terms: 35t + -35t = 0
-245 + -35t + 1.75t2 = 0

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

Divide each side by '1.75'.
-140 + -20t + t2 = 0

Move the constant term to the right:

Add '140' to each side of the equation.
-140 + -20t + 140 + t2 = 0 + 140

Reorder the terms:
-140 + 140 + -20t + t2 = 0 + 140

Combine like terms: -140 + 140 = 0
0 + -20t + t2 = 0 + 140
-20t + t2 = 0 + 140

Combine like terms: 0 + 140 = 140
-20t + t2 = 140

The t term is -20t.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20t + 100 + t2 = 140 + 100

Reorder the terms:
100 + -20t + t2 = 140 + 100

Combine like terms: 140 + 100 = 240
100 + -20t + t2 = 240

Factor a perfect square on the left side:
(t + -10)(t + -10) = 240

Calculate the square root of the right side: 15.491933385

Break this problem into two subproblems by setting 
(t + -10) equal to 15.491933385 and -15.491933385.

Subproblem 1

t + -10 = 15.491933385 Simplifying t + -10 = 15.491933385 Reorder the terms: -10 + t = 15.491933385 Solving -10 + t = 15.491933385 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + t = 15.491933385 + 10 Combine like terms: -10 + 10 = 0 0 + t = 15.491933385 + 10 t = 15.491933385 + 10 Combine like terms: 15.491933385 + 10 = 25.491933385 t = 25.491933385 Simplifying t = 25.491933385

Subproblem 2

t + -10 = -15.491933385 Simplifying t + -10 = -15.491933385 Reorder the terms: -10 + t = -15.491933385 Solving -10 + t = -15.491933385 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + t = -15.491933385 + 10 Combine like terms: -10 + 10 = 0 0 + t = -15.491933385 + 10 t = -15.491933385 + 10 Combine like terms: -15.491933385 + 10 = -5.491933385 t = -5.491933385 Simplifying t = -5.491933385

Solution

The solution to the problem is based on the solutions from the subproblems. t = {25.491933385, -5.491933385}

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