3X^2-25X=-2X^2-9X-12

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Solution for 3X^2-25X=-2X^2-9X-12 equation:


Simplifying
3X2 + -25X = -2X2 + -9X + -12

Reorder the terms:
-25X + 3X2 = -2X2 + -9X + -12

Reorder the terms:
-25X + 3X2 = -12 + -9X + -2X2

Solving
-25X + 3X2 = -12 + -9X + -2X2

Solving for variable 'X'.

Reorder the terms:
12 + -25X + 9X + 3X2 + 2X2 = -12 + -9X + -2X2 + 12 + 9X + 2X2

Combine like terms: -25X + 9X = -16X
12 + -16X + 3X2 + 2X2 = -12 + -9X + -2X2 + 12 + 9X + 2X2

Combine like terms: 3X2 + 2X2 = 5X2
12 + -16X + 5X2 = -12 + -9X + -2X2 + 12 + 9X + 2X2

Reorder the terms:
12 + -16X + 5X2 = -12 + 12 + -9X + 9X + -2X2 + 2X2

Combine like terms: -12 + 12 = 0
12 + -16X + 5X2 = 0 + -9X + 9X + -2X2 + 2X2
12 + -16X + 5X2 = -9X + 9X + -2X2 + 2X2

Combine like terms: -9X + 9X = 0
12 + -16X + 5X2 = 0 + -2X2 + 2X2
12 + -16X + 5X2 = -2X2 + 2X2

Combine like terms: -2X2 + 2X2 = 0
12 + -16X + 5X2 = 0

Factor a trinomial.
(6 + -5X)(2 + -1X) = 0

Subproblem 1

Set the factor '(6 + -5X)' equal to zero and attempt to solve: Simplifying 6 + -5X = 0 Solving 6 + -5X = 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 + -5X = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5X = 0 + -6 -5X = 0 + -6 Combine like terms: 0 + -6 = -6 -5X = -6 Divide each side by '-5'. X = 1.2 Simplifying X = 1.2

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 = {1.2, 2}

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