0=9x^2-61x+100

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Solution for 0=9x^2-61x+100 equation:


Simplifying
0 = 9x2 + -61x + 100

Reorder the terms:
0 = 100 + -61x + 9x2

Solving
0 = 100 + -61x + 9x2

Solving for variable 'x'.

Combine like terms: 0 + -100 = -100
-100 + 61x + -9x2 = 100 + -61x + 9x2 + -100 + 61x + -9x2

Reorder the terms:
-100 + 61x + -9x2 = 100 + -100 + -61x + 61x + 9x2 + -9x2

Combine like terms: 100 + -100 = 0
-100 + 61x + -9x2 = 0 + -61x + 61x + 9x2 + -9x2
-100 + 61x + -9x2 = -61x + 61x + 9x2 + -9x2

Combine like terms: -61x + 61x = 0
-100 + 61x + -9x2 = 0 + 9x2 + -9x2
-100 + 61x + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-100 + 61x + -9x2 = 0

Factor a trinomial.
(-4 + x)(25 + -9x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(25 + -9x)' equal to zero and attempt to solve: Simplifying 25 + -9x = 0 Solving 25 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + -9x = 0 + -25 Combine like terms: 25 + -25 = 0 0 + -9x = 0 + -25 -9x = 0 + -25 Combine like terms: 0 + -25 = -25 -9x = -25 Divide each side by '-9'. x = 2.777777778 Simplifying x = 2.777777778

Solution

x = {4, 2.777777778}

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