4x^2-21x+33=3x+6

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Solution for 4x^2-21x+33=3x+6 equation:


Simplifying
4x2 + -21x + 33 = 3x + 6

Reorder the terms:
33 + -21x + 4x2 = 3x + 6

Reorder the terms:
33 + -21x + 4x2 = 6 + 3x

Solving
33 + -21x + 4x2 = 6 + 3x

Solving for variable 'x'.

Reorder the terms:
33 + -6 + -21x + -3x + 4x2 = 6 + 3x + -6 + -3x

Combine like terms: 33 + -6 = 27
27 + -21x + -3x + 4x2 = 6 + 3x + -6 + -3x

Combine like terms: -21x + -3x = -24x
27 + -24x + 4x2 = 6 + 3x + -6 + -3x

Reorder the terms:
27 + -24x + 4x2 = 6 + -6 + 3x + -3x

Combine like terms: 6 + -6 = 0
27 + -24x + 4x2 = 0 + 3x + -3x
27 + -24x + 4x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
27 + -24x + 4x2 = 0

Factor a trinomial.
(3 + -2x)(9 + -2x) = 0

Subproblem 1

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Subproblem 2

Set the factor '(9 + -2x)' equal to zero and attempt to solve: Simplifying 9 + -2x = 0 Solving 9 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x = 0 + -9 -2x = 0 + -9 Combine like terms: 0 + -9 = -9 -2x = -9 Divide each side by '-2'. x = 4.5 Simplifying x = 4.5

Solution

x = {1.5, 4.5}

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