400-89x+4x^2=0

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Solution for 400-89x+4x^2=0 equation:


Simplifying
400 + -89x + 4x2 = 0

Solving
400 + -89x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(25 + -4x)(16 + -1x) = 0

Subproblem 1

Set the factor '(25 + -4x)' equal to zero and attempt to solve: Simplifying 25 + -4x = 0 Solving 25 + -4x = 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 + -4x = 0 + -25 Combine like terms: 25 + -25 = 0 0 + -4x = 0 + -25 -4x = 0 + -25 Combine like terms: 0 + -25 = -25 -4x = -25 Divide each side by '-4'. x = 6.25 Simplifying x = 6.25

Subproblem 2

Set the factor '(16 + -1x)' equal to zero and attempt to solve: Simplifying 16 + -1x = 0 Solving 16 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + -1x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + -1x = 0 + -16 -1x = 0 + -16 Combine like terms: 0 + -16 = -16 -1x = -16 Divide each side by '-1'. x = 16 Simplifying x = 16

Solution

x = {6.25, 16}

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