X^2+4X=2X+3

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Solution for X^2+4X=2X+3 equation:


Simplifying
X2 + 4X = 2X + 3

Reorder the terms:
4X + X2 = 2X + 3

Reorder the terms:
4X + X2 = 3 + 2X

Solving
4X + X2 = 3 + 2X

Solving for variable 'X'.

Reorder the terms:
-3 + 4X + -2X + X2 = 3 + 2X + -3 + -2X

Combine like terms: 4X + -2X = 2X
-3 + 2X + X2 = 3 + 2X + -3 + -2X

Reorder the terms:
-3 + 2X + X2 = 3 + -3 + 2X + -2X

Combine like terms: 3 + -3 = 0
-3 + 2X + X2 = 0 + 2X + -2X
-3 + 2X + X2 = 2X + -2X

Combine like terms: 2X + -2X = 0
-3 + 2X + X2 = 0

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

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -1X)' equal to zero and attempt to solve: Simplifying 1 + -1X = 0 Solving 1 + -1X = 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 + -1X = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1X = 0 + -1 -1X = 0 + -1 Combine like terms: 0 + -1 = -1 -1X = -1 Divide each side by '-1'. X = 1 Simplifying X = 1

Solution

X = {-3, 1}

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