1.5x^2-15x-35=

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Solution for 1.5x^2-15x-35= equation:


Simplifying
1.5x2 + -15x + -35 = 0

Reorder the terms:
-35 + -15x + 1.5x2 = 0

Solving
-35 + -15x + 1.5x2 = 0

Solving for variable 'x'.

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

Divide each side by '1.5'.
-23.33333333 + -10x + x2 = 0

Move the constant term to the right:

Add '23.33333333' to each side of the equation.
-23.33333333 + -10x + 23.33333333 + x2 = 0 + 23.33333333

Reorder the terms:
-23.33333333 + 23.33333333 + -10x + x2 = 0 + 23.33333333

Combine like terms: -23.33333333 + 23.33333333 = 0.00000000
0.00000000 + -10x + x2 = 0 + 23.33333333
-10x + x2 = 0 + 23.33333333

Combine like terms: 0 + 23.33333333 = 23.33333333
-10x + x2 = 23.33333333

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 23.33333333 + 25

Reorder the terms:
25 + -10x + x2 = 23.33333333 + 25

Combine like terms: 23.33333333 + 25 = 48.33333333
25 + -10x + x2 = 48.33333333

Factor a perfect square on the left side:
(x + -5)(x + -5) = 48.33333333

Calculate the square root of the right side: 6.952217871

Break this problem into two subproblems by setting 
(x + -5) equal to 6.952217871 and -6.952217871.

Subproblem 1

x + -5 = 6.952217871 Simplifying x + -5 = 6.952217871 Reorder the terms: -5 + x = 6.952217871 Solving -5 + x = 6.952217871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 6.952217871 + 5 Combine like terms: -5 + 5 = 0 0 + x = 6.952217871 + 5 x = 6.952217871 + 5 Combine like terms: 6.952217871 + 5 = 11.952217871 x = 11.952217871 Simplifying x = 11.952217871

Subproblem 2

x + -5 = -6.952217871 Simplifying x + -5 = -6.952217871 Reorder the terms: -5 + x = -6.952217871 Solving -5 + x = -6.952217871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -6.952217871 + 5 Combine like terms: -5 + 5 = 0 0 + x = -6.952217871 + 5 x = -6.952217871 + 5 Combine like terms: -6.952217871 + 5 = -1.952217871 x = -1.952217871 Simplifying x = -1.952217871

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.952217871, -1.952217871}

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