0=4x^2-9x+5

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Solution for 0=4x^2-9x+5 equation:


Simplifying
0 = 4x2 + -9x + 5

Reorder the terms:
0 = 5 + -9x + 4x2

Solving
0 = 5 + -9x + 4x2

Solving for variable 'x'.

Combine like terms: 0 + -5 = -5
-5 + 9x + -4x2 = 5 + -9x + 4x2 + -5 + 9x + -4x2

Reorder the terms:
-5 + 9x + -4x2 = 5 + -5 + -9x + 9x + 4x2 + -4x2

Combine like terms: 5 + -5 = 0
-5 + 9x + -4x2 = 0 + -9x + 9x + 4x2 + -4x2
-5 + 9x + -4x2 = -9x + 9x + 4x2 + -4x2

Combine like terms: -9x + 9x = 0
-5 + 9x + -4x2 = 0 + 4x2 + -4x2
-5 + 9x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-5 + 9x + -4x2 = 0

Factor a trinomial.
(-5 + 4x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-5 + 4x)' equal to zero and attempt to solve: Simplifying -5 + 4x = 0 Solving -5 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 4x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 4x = 0 + 5 4x = 0 + 5 Combine like terms: 0 + 5 = 5 4x = 5 Divide each side by '4'. x = 1.25 Simplifying x = 1.25

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 = {1.25, 1}

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