(5x^2+3x-4)-(6x^2-5x+8)=

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Solution for (5x^2+3x-4)-(6x^2-5x+8)= equation:


Simplifying
(5x2 + 3x + -4) + -1(6x2 + -5x + 8) = 0

Reorder the terms:
(-4 + 3x + 5x2) + -1(6x2 + -5x + 8) = 0

Remove parenthesis around (-4 + 3x + 5x2)
-4 + 3x + 5x2 + -1(6x2 + -5x + 8) = 0

Reorder the terms:
-4 + 3x + 5x2 + -1(8 + -5x + 6x2) = 0
-4 + 3x + 5x2 + (8 * -1 + -5x * -1 + 6x2 * -1) = 0
-4 + 3x + 5x2 + (-8 + 5x + -6x2) = 0

Reorder the terms:
-4 + -8 + 3x + 5x + 5x2 + -6x2 = 0

Combine like terms: -4 + -8 = -12
-12 + 3x + 5x + 5x2 + -6x2 = 0

Combine like terms: 3x + 5x = 8x
-12 + 8x + 5x2 + -6x2 = 0

Combine like terms: 5x2 + -6x2 = -1x2
-12 + 8x + -1x2 = 0

Solving
-12 + 8x + -1x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-6 + x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-6 + x)' equal to zero and attempt to solve: Simplifying -6 + x = 0 Solving -6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0 + 6 x = 0 + 6 Combine like terms: 0 + 6 = 6 x = 6 Simplifying x = 6

Subproblem 2

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

Solution

x = {6, 2}

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