x(x+3)=648

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Solution for x(x+3)=648 equation:


Simplifying
x(x + 3) = 648

Reorder the terms:
x(3 + x) = 648
(3 * x + x * x) = 648
(3x + x2) = 648

Solving
3x + x2 = 648

Solving for variable 'x'.

Reorder the terms:
-648 + 3x + x2 = 648 + -648

Combine like terms: 648 + -648 = 0
-648 + 3x + x2 = 0

Factor a trinomial.
(-27 + -1x)(24 + -1x) = 0

Subproblem 1

Set the factor '(-27 + -1x)' equal to zero and attempt to solve: Simplifying -27 + -1x = 0 Solving -27 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + -1x = 0 + 27 Combine like terms: -27 + 27 = 0 0 + -1x = 0 + 27 -1x = 0 + 27 Combine like terms: 0 + 27 = 27 -1x = 27 Divide each side by '-1'. x = -27 Simplifying x = -27

Subproblem 2

Set the factor '(24 + -1x)' equal to zero and attempt to solve: Simplifying 24 + -1x = 0 Solving 24 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-24' to each side of the equation. 24 + -24 + -1x = 0 + -24 Combine like terms: 24 + -24 = 0 0 + -1x = 0 + -24 -1x = 0 + -24 Combine like terms: 0 + -24 = -24 -1x = -24 Divide each side by '-1'. x = 24 Simplifying x = 24

Solution

x = {-27, 24}

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