(10x^2-5)-(12x^2+4x-3)=

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Solution for (10x^2-5)-(12x^2+4x-3)= equation:


Simplifying
(10x2 + -5) + -1(12x2 + 4x + -3) = 0

Reorder the terms:
(-5 + 10x2) + -1(12x2 + 4x + -3) = 0

Remove parenthesis around (-5 + 10x2)
-5 + 10x2 + -1(12x2 + 4x + -3) = 0

Reorder the terms:
-5 + 10x2 + -1(-3 + 4x + 12x2) = 0
-5 + 10x2 + (-3 * -1 + 4x * -1 + 12x2 * -1) = 0
-5 + 10x2 + (3 + -4x + -12x2) = 0

Reorder the terms:
-5 + 3 + -4x + 10x2 + -12x2 = 0

Combine like terms: -5 + 3 = -2
-2 + -4x + 10x2 + -12x2 = 0

Combine like terms: 10x2 + -12x2 = -2x2
-2 + -4x + -2x2 = 0

Solving
-2 + -4x + -2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-2'.
-2(1 + 2x + x2) = 0

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

Ignore the factor -2.

Subproblem 1

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-1, -1}

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