x^2=4x+1440

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Solution for x^2=4x+1440 equation:


Simplifying
x2 = 4x + 1440

Reorder the terms:
x2 = 1440 + 4x

Solving
x2 = 1440 + 4x

Solving for variable 'x'.

Reorder the terms:
-1440 + -4x + x2 = 1440 + 4x + -1440 + -4x

Reorder the terms:
-1440 + -4x + x2 = 1440 + -1440 + 4x + -4x

Combine like terms: 1440 + -1440 = 0
-1440 + -4x + x2 = 0 + 4x + -4x
-1440 + -4x + x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
-1440 + -4x + x2 = 0

Factor a trinomial.
(-36 + -1x)(40 + -1x) = 0

Subproblem 1

Set the factor '(-36 + -1x)' equal to zero and attempt to solve: Simplifying -36 + -1x = 0 Solving -36 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '36' to each side of the equation. -36 + 36 + -1x = 0 + 36 Combine like terms: -36 + 36 = 0 0 + -1x = 0 + 36 -1x = 0 + 36 Combine like terms: 0 + 36 = 36 -1x = 36 Divide each side by '-1'. x = -36 Simplifying x = -36

Subproblem 2

Set the factor '(40 + -1x)' equal to zero and attempt to solve: Simplifying 40 + -1x = 0 Solving 40 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-40' to each side of the equation. 40 + -40 + -1x = 0 + -40 Combine like terms: 40 + -40 = 0 0 + -1x = 0 + -40 -1x = 0 + -40 Combine like terms: 0 + -40 = -40 -1x = -40 Divide each side by '-1'. x = 40 Simplifying x = 40

Solution

x = {-36, 40}

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