4X^2-24X-216=0

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Solution for 4X^2-24X-216=0 equation:


Simplifying
4X2 + -24X + -216 = 0

Reorder the terms:
-216 + -24X + 4X2 = 0

Solving
-216 + -24X + 4X2 = 0

Solving for variable 'X'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-54 + -6X + X2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-54 + -6X + X2)' equal to zero and attempt to solve: Simplifying -54 + -6X + X2 = 0 Solving -54 + -6X + X2 = 0 Begin completing the square. Move the constant term to the right: Add '54' to each side of the equation. -54 + -6X + 54 + X2 = 0 + 54 Reorder the terms: -54 + 54 + -6X + X2 = 0 + 54 Combine like terms: -54 + 54 = 0 0 + -6X + X2 = 0 + 54 -6X + X2 = 0 + 54 Combine like terms: 0 + 54 = 54 -6X + X2 = 54 The X term is -6X. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6X + 9 + X2 = 54 + 9 Reorder the terms: 9 + -6X + X2 = 54 + 9 Combine like terms: 54 + 9 = 63 9 + -6X + X2 = 63 Factor a perfect square on the left side: (X + -3)(X + -3) = 63 Calculate the square root of the right side: 7.937253933 Break this problem into two subproblems by setting (X + -3) equal to 7.937253933 and -7.937253933.

Subproblem 1

X + -3 = 7.937253933 Simplifying X + -3 = 7.937253933 Reorder the terms: -3 + X = 7.937253933 Solving -3 + X = 7.937253933 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + X = 7.937253933 + 3 Combine like terms: -3 + 3 = 0 0 + X = 7.937253933 + 3 X = 7.937253933 + 3 Combine like terms: 7.937253933 + 3 = 10.937253933 X = 10.937253933 Simplifying X = 10.937253933

Subproblem 2

X + -3 = -7.937253933 Simplifying X + -3 = -7.937253933 Reorder the terms: -3 + X = -7.937253933 Solving -3 + X = -7.937253933 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + X = -7.937253933 + 3 Combine like terms: -3 + 3 = 0 0 + X = -7.937253933 + 3 X = -7.937253933 + 3 Combine like terms: -7.937253933 + 3 = -4.937253933 X = -4.937253933 Simplifying X = -4.937253933

Solution

The solution to the problem is based on the solutions from the subproblems. X = {10.937253933, -4.937253933}

Solution

X = {10.937253933, -4.937253933}

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