z^2-5x+4=0

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Solution for z^2-5x+4=0 equation:


Simplifying
z2 + -5x + 4 = 0

Reorder the terms:
4 + -5x + z2 = 0

Solving
4 + -5x + z2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -5x + -4 + z2 = 0 + -4

Reorder the terms:
4 + -4 + -5x + z2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -5x + z2 = 0 + -4
-5x + z2 = 0 + -4

Combine like terms: 0 + -4 = -4
-5x + z2 = -4

Add '-1z2' to each side of the equation.
-5x + z2 + -1z2 = -4 + -1z2

Combine like terms: z2 + -1z2 = 0
-5x + 0 = -4 + -1z2
-5x = -4 + -1z2

Divide each side by '-5'.
x = 0.8 + 0.2z2

Simplifying
x = 0.8 + 0.2z2

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