(-3x^2)+24x+35=0

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Solution for (-3x^2)+24x+35=0 equation:


Simplifying
(-3x2) + 24x + 35 = 0

Reorder the terms:
35 + 24x + (-3x2) = 0

Solving
35 + 24x + (-3x2) = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-11.66666667 + -8x + x2 = 0

Move the constant term to the right:

Add '11.66666667' to each side of the equation.
-11.66666667 + -8x + 11.66666667 + x2 = 0 + 11.66666667

Reorder the terms:
-11.66666667 + 11.66666667 + -8x + x2 = 0 + 11.66666667

Combine like terms: -11.66666667 + 11.66666667 = 0.00000000
0.00000000 + -8x + x2 = 0 + 11.66666667
-8x + x2 = 0 + 11.66666667

Combine like terms: 0 + 11.66666667 = 11.66666667
-8x + x2 = 11.66666667

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = 11.66666667 + 16

Reorder the terms:
16 + -8x + x2 = 11.66666667 + 16

Combine like terms: 11.66666667 + 16 = 27.66666667
16 + -8x + x2 = 27.66666667

Factor a perfect square on the left side:
((x) + -4)((x) + -4) = 27.66666667

Calculate the square root of the right side: 5.25991128

Break this problem into two subproblems by setting 
((x) + -4) equal to 5.25991128 and -5.25991128.

Subproblem 1

(x) + -4 = 5.25991128 Simplifying (x) + -4 = 5.25991128 x + -4 = 5.25991128 Reorder the terms: -4 + x = 5.25991128 Solving -4 + x = 5.25991128 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 5.25991128 + 4 Combine like terms: -4 + 4 = 0 0 + x = 5.25991128 + 4 x = 5.25991128 + 4 Combine like terms: 5.25991128 + 4 = 9.25991128 x = 9.25991128 Simplifying x = 9.25991128

Subproblem 2

(x) + -4 = -5.25991128 Simplifying (x) + -4 = -5.25991128 x + -4 = -5.25991128 Reorder the terms: -4 + x = -5.25991128 Solving -4 + x = -5.25991128 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -5.25991128 + 4 Combine like terms: -4 + 4 = 0 0 + x = -5.25991128 + 4 x = -5.25991128 + 4 Combine like terms: -5.25991128 + 4 = -1.25991128 x = -1.25991128 Simplifying x = -1.25991128

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.25991128, -1.25991128}

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