3a(6a-5)+4=10

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Solution for 3a(6a-5)+4=10 equation:


Simplifying
3a(6a + -5) + 4 = 10

Reorder the terms:
3a(-5 + 6a) + 4 = 10
(-5 * 3a + 6a * 3a) + 4 = 10
(-15a + 18a2) + 4 = 10

Reorder the terms:
4 + -15a + 18a2 = 10

Solving
4 + -15a + 18a2 = 10

Solving for variable 'a'.

Reorder the terms:
4 + -10 + -15a + 18a2 = 10 + -10

Combine like terms: 4 + -10 = -6
-6 + -15a + 18a2 = 10 + -10

Combine like terms: 10 + -10 = 0
-6 + -15a + 18a2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-2 + -5a + 6a2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-2 + -5a + 6a2)' equal to zero and attempt to solve: Simplifying -2 + -5a + 6a2 = 0 Solving -2 + -5a + 6a2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -0.3333333333 + -0.8333333333a + a2 = 0 Move the constant term to the right: Add '0.3333333333' to each side of the equation. -0.3333333333 + -0.8333333333a + 0.3333333333 + a2 = 0 + 0.3333333333 Reorder the terms: -0.3333333333 + 0.3333333333 + -0.8333333333a + a2 = 0 + 0.3333333333 Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000 0.0000000000 + -0.8333333333a + a2 = 0 + 0.3333333333 -0.8333333333a + a2 = 0 + 0.3333333333 Combine like terms: 0 + 0.3333333333 = 0.3333333333 -0.8333333333a + a2 = 0.3333333333 The a term is -0.8333333333a. Take half its coefficient (-0.4166666667). Square it (0.1736111111) and add it to both sides. Add '0.1736111111' to each side of the equation. -0.8333333333a + 0.1736111111 + a2 = 0.3333333333 + 0.1736111111 Reorder the terms: 0.1736111111 + -0.8333333333a + a2 = 0.3333333333 + 0.1736111111 Combine like terms: 0.3333333333 + 0.1736111111 = 0.5069444444 0.1736111111 + -0.8333333333a + a2 = 0.5069444444 Factor a perfect square on the left side: (a + -0.4166666667)(a + -0.4166666667) = 0.5069444444 Calculate the square root of the right side: 0.712000312 Break this problem into two subproblems by setting (a + -0.4166666667) equal to 0.712000312 and -0.712000312.

Subproblem 1

a + -0.4166666667 = 0.712000312 Simplifying a + -0.4166666667 = 0.712000312 Reorder the terms: -0.4166666667 + a = 0.712000312 Solving -0.4166666667 + a = 0.712000312 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.4166666667' to each side of the equation. -0.4166666667 + 0.4166666667 + a = 0.712000312 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + a = 0.712000312 + 0.4166666667 a = 0.712000312 + 0.4166666667 Combine like terms: 0.712000312 + 0.4166666667 = 1.1286669787 a = 1.1286669787 Simplifying a = 1.1286669787

Subproblem 2

a + -0.4166666667 = -0.712000312 Simplifying a + -0.4166666667 = -0.712000312 Reorder the terms: -0.4166666667 + a = -0.712000312 Solving -0.4166666667 + a = -0.712000312 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.4166666667' to each side of the equation. -0.4166666667 + 0.4166666667 + a = -0.712000312 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + a = -0.712000312 + 0.4166666667 a = -0.712000312 + 0.4166666667 Combine like terms: -0.712000312 + 0.4166666667 = -0.2953336453 a = -0.2953336453 Simplifying a = -0.2953336453

Solution

The solution to the problem is based on the solutions from the subproblems. a = {1.1286669787, -0.2953336453}

Solution

a = {1.1286669787, -0.2953336453}

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