72=x^2+5x+6

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Solution for 72=x^2+5x+6 equation:


Simplifying
72 = x2 + 5x + 6

Reorder the terms:
72 = 6 + 5x + x2

Solving
72 = 6 + 5x + x2

Solving for variable 'x'.

Combine like terms: 72 + -6 = 66
66 + -5x + -1x2 = 6 + 5x + x2 + -6 + -5x + -1x2

Reorder the terms:
66 + -5x + -1x2 = 6 + -6 + 5x + -5x + x2 + -1x2

Combine like terms: 6 + -6 = 0
66 + -5x + -1x2 = 0 + 5x + -5x + x2 + -1x2
66 + -5x + -1x2 = 5x + -5x + x2 + -1x2

Combine like terms: 5x + -5x = 0
66 + -5x + -1x2 = 0 + x2 + -1x2
66 + -5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
66 + -5x + -1x2 = 0

Factor a trinomial.
(6 + -1x)(11 + x) = 0

Subproblem 1

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Subproblem 2

Set the factor '(11 + x)' equal to zero and attempt to solve: Simplifying 11 + x = 0 Solving 11 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + x = 0 + -11 x = 0 + -11 Combine like terms: 0 + -11 = -11 x = -11 Simplifying x = -11

Solution

x = {6, -11}

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