4x^2+45=36x

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Solution for 4x^2+45=36x equation:


Simplifying
4x2 + 45 = 36x

Reorder the terms:
45 + 4x2 = 36x

Solving
45 + 4x2 = 36x

Solving for variable 'x'.

Reorder the terms:
45 + -36x + 4x2 = 36x + -36x

Combine like terms: 36x + -36x = 0
45 + -36x + 4x2 = 0

Factor a trinomial.
(3 + -2x)(15 + -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 '(15 + -2x)' equal to zero and attempt to solve: Simplifying 15 + -2x = 0 Solving 15 + -2x = 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 + -2x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -2x = 0 + -15 -2x = 0 + -15 Combine like terms: 0 + -15 = -15 -2x = -15 Divide each side by '-2'. x = 7.5 Simplifying x = 7.5

Solution

x = {1.5, 7.5}

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