45x^2+48x-30=0

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Solution for 45x^2+48x-30=0 equation:


Simplifying
45x2 + 48x + -30 = 0

Reorder the terms:
-30 + 48x + 45x2 = 0

Solving
-30 + 48x + 45x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-10 + 16x + 15x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-10 + 16x + 15x2)' equal to zero and attempt to solve: Simplifying -10 + 16x + 15x2 = 0 Solving -10 + 16x + 15x2 = 0 Begin completing the square. Divide all terms by 15 the coefficient of the squared term: Divide each side by '15'. -0.6666666667 + 1.066666667x + x2 = 0 Move the constant term to the right: Add '0.6666666667' to each side of the equation. -0.6666666667 + 1.066666667x + 0.6666666667 + x2 = 0 + 0.6666666667 Reorder the terms: -0.6666666667 + 0.6666666667 + 1.066666667x + x2 = 0 + 0.6666666667 Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000 0.0000000000 + 1.066666667x + x2 = 0 + 0.6666666667 1.066666667x + x2 = 0 + 0.6666666667 Combine like terms: 0 + 0.6666666667 = 0.6666666667 1.066666667x + x2 = 0.6666666667 The x term is 1.066666667x. Take half its coefficient (0.5333333335). Square it (0.2844444446) and add it to both sides. Add '0.2844444446' to each side of the equation. 1.066666667x + 0.2844444446 + x2 = 0.6666666667 + 0.2844444446 Reorder the terms: 0.2844444446 + 1.066666667x + x2 = 0.6666666667 + 0.2844444446 Combine like terms: 0.6666666667 + 0.2844444446 = 0.9511111113 0.2844444446 + 1.066666667x + x2 = 0.9511111113 Factor a perfect square on the left side: (x + 0.5333333335)(x + 0.5333333335) = 0.9511111113 Calculate the square root of the right side: 0.975249256 Break this problem into two subproblems by setting (x + 0.5333333335) equal to 0.975249256 and -0.975249256.

Subproblem 1

x + 0.5333333335 = 0.975249256 Simplifying x + 0.5333333335 = 0.975249256 Reorder the terms: 0.5333333335 + x = 0.975249256 Solving 0.5333333335 + x = 0.975249256 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5333333335' to each side of the equation. 0.5333333335 + -0.5333333335 + x = 0.975249256 + -0.5333333335 Combine like terms: 0.5333333335 + -0.5333333335 = 0.0000000000 0.0000000000 + x = 0.975249256 + -0.5333333335 x = 0.975249256 + -0.5333333335 Combine like terms: 0.975249256 + -0.5333333335 = 0.4419159225 x = 0.4419159225 Simplifying x = 0.4419159225

Subproblem 2

x + 0.5333333335 = -0.975249256 Simplifying x + 0.5333333335 = -0.975249256 Reorder the terms: 0.5333333335 + x = -0.975249256 Solving 0.5333333335 + x = -0.975249256 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5333333335' to each side of the equation. 0.5333333335 + -0.5333333335 + x = -0.975249256 + -0.5333333335 Combine like terms: 0.5333333335 + -0.5333333335 = 0.0000000000 0.0000000000 + x = -0.975249256 + -0.5333333335 x = -0.975249256 + -0.5333333335 Combine like terms: -0.975249256 + -0.5333333335 = -1.5085825895 x = -1.5085825895 Simplifying x = -1.5085825895

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.4419159225, -1.5085825895}

Solution

x = {0.4419159225, -1.5085825895}

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