30=-5t^2+30t+10

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Solution for 30=-5t^2+30t+10 equation:


Simplifying
30 = -5t2 + 30t + 10

Reorder the terms:
30 = 10 + 30t + -5t2

Solving
30 = 10 + 30t + -5t2

Solving for variable 't'.

Combine like terms: 30 + -10 = 20
20 + -30t + 5t2 = 10 + 30t + -5t2 + -10 + -30t + 5t2

Reorder the terms:
20 + -30t + 5t2 = 10 + -10 + 30t + -30t + -5t2 + 5t2

Combine like terms: 10 + -10 = 0
20 + -30t + 5t2 = 0 + 30t + -30t + -5t2 + 5t2
20 + -30t + 5t2 = 30t + -30t + -5t2 + 5t2

Combine like terms: 30t + -30t = 0
20 + -30t + 5t2 = 0 + -5t2 + 5t2
20 + -30t + 5t2 = -5t2 + 5t2

Combine like terms: -5t2 + 5t2 = 0
20 + -30t + 5t2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(4 + -6t + t2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(4 + -6t + t2)' equal to zero and attempt to solve: Simplifying 4 + -6t + t2 = 0 Solving 4 + -6t + t2 = 0 Begin completing the square. Move the constant term to the right: Add '-4' to each side of the equation. 4 + -6t + -4 + t2 = 0 + -4 Reorder the terms: 4 + -4 + -6t + t2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -6t + t2 = 0 + -4 -6t + t2 = 0 + -4 Combine like terms: 0 + -4 = -4 -6t + t2 = -4 The t term is -6t. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6t + 9 + t2 = -4 + 9 Reorder the terms: 9 + -6t + t2 = -4 + 9 Combine like terms: -4 + 9 = 5 9 + -6t + t2 = 5 Factor a perfect square on the left side: (t + -3)(t + -3) = 5 Calculate the square root of the right side: 2.236067978 Break this problem into two subproblems by setting (t + -3) equal to 2.236067978 and -2.236067978.

Subproblem 1

t + -3 = 2.236067978 Simplifying t + -3 = 2.236067978 Reorder the terms: -3 + t = 2.236067978 Solving -3 + t = 2.236067978 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = 2.236067978 + 3 Combine like terms: -3 + 3 = 0 0 + t = 2.236067978 + 3 t = 2.236067978 + 3 Combine like terms: 2.236067978 + 3 = 5.236067978 t = 5.236067978 Simplifying t = 5.236067978

Subproblem 2

t + -3 = -2.236067978 Simplifying t + -3 = -2.236067978 Reorder the terms: -3 + t = -2.236067978 Solving -3 + t = -2.236067978 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = -2.236067978 + 3 Combine like terms: -3 + 3 = 0 0 + t = -2.236067978 + 3 t = -2.236067978 + 3 Combine like terms: -2.236067978 + 3 = 0.763932022 t = 0.763932022 Simplifying t = 0.763932022

Solution

The solution to the problem is based on the solutions from the subproblems. t = {5.236067978, 0.763932022}

Solution

t = {5.236067978, 0.763932022}

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