(-13x^2+7x)-(5x^2+10x-3)=

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Solution for (-13x^2+7x)-(5x^2+10x-3)= equation:


Simplifying
(-13x2 + 7x) + -1(5x2 + 10x + -3) = 0

Reorder the terms:
(7x + -13x2) + -1(5x2 + 10x + -3) = 0

Remove parenthesis around (7x + -13x2)
7x + -13x2 + -1(5x2 + 10x + -3) = 0

Reorder the terms:
7x + -13x2 + -1(-3 + 10x + 5x2) = 0
7x + -13x2 + (-3 * -1 + 10x * -1 + 5x2 * -1) = 0
7x + -13x2 + (3 + -10x + -5x2) = 0

Reorder the terms:
3 + 7x + -10x + -13x2 + -5x2 = 0

Combine like terms: 7x + -10x = -3x
3 + -3x + -13x2 + -5x2 = 0

Combine like terms: -13x2 + -5x2 = -18x2
3 + -3x + -18x2 = 0

Solving
3 + -3x + -18x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(1 + -1x + -6x2) = 0

Factor a trinomial.
3((1 + -3x)(1 + 2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Subproblem 2

Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Solution

x = {0.3333333333, -0.5}

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