4x^2+45=27x

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Solution for 4x^2+45=27x equation:


Simplifying
4x2 + 45 = 27x

Reorder the terms:
45 + 4x2 = 27x

Solving
45 + 4x2 = 27x

Solving for variable 'x'.

Reorder the terms:
45 + -27x + 4x2 = 27x + -27x

Combine like terms: 27x + -27x = 0
45 + -27x + 4x2 = 0

Factor a trinomial.
(3 + -1x)(15 + -4x) = 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 '(15 + -4x)' equal to zero and attempt to solve: Simplifying 15 + -4x = 0 Solving 15 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -4x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -4x = 0 + -15 -4x = 0 + -15 Combine like terms: 0 + -15 = -15 -4x = -15 Divide each side by '-4'. x = 3.75 Simplifying x = 3.75

Solution

x = {3, 3.75}

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