(x+2.5)(x-0.8)(x-2.5)=0

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Solution for (x+2.5)(x-0.8)(x-2.5)=0 equation: 


Simplifying
(x + 2.5)(x + -0.8)(x + -2.5) = 0

Reorder the terms:
(2.5 + x)(x + -0.8)(x + -2.5) = 0

Reorder the terms:
(2.5 + x)(-0.8 + x)(x + -2.5) = 0

Reorder the terms:
(2.5 + x)(-0.8 + x)(-2.5 + x) = 0

Multiply (2.5 + x) * (-0.8 + x)
(2.5(-0.8 + x) + x(-0.8 + x))(-2.5 + x) = 0
((-0.8 * 2.5 + x * 2.5) + x(-0.8 + x))(-2.5 + x) = 0
((-2 + 2.5x) + x(-0.8 + x))(-2.5 + x) = 0
(-2 + 2.5x + (-0.8 * x + x * x))(-2.5 + x) = 0
(-2 + 2.5x + (-0.8x + x2))(-2.5 + x) = 0

Combine like terms: 2.5x + -0.8x = 1.7x
(-2 + 1.7x + x2)(-2.5 + x) = 0

Multiply (-2 + 1.7x + x2) * (-2.5 + x)
(-2(-2.5 + x) + 1.7x * (-2.5 + x) + x2(-2.5 + x)) = 0
((-2.5 * -2 + x * -2) + 1.7x * (-2.5 + x) + x2(-2.5 + x)) = 0
((5 + -2x) + 1.7x * (-2.5 + x) + x2(-2.5 + x)) = 0
(5 + -2x + (-2.5 * 1.7x + x * 1.7x) + x2(-2.5 + x)) = 0
(5 + -2x + (-4.25x + 1.7x2) + x2(-2.5 + x)) = 0
(5 + -2x + -4.25x + 1.7x2 + (-2.5 * x2 + x * x2)) = 0
(5 + -2x + -4.25x + 1.7x2 + (-2.5x2 + x3)) = 0

Combine like terms: -2x + -4.25x = -6.25x
(5 + -6.25x + 1.7x2 + -2.5x2 + x3) = 0

Combine like terms: 1.7x2 + -2.5x2 = -0.8x2
(5 + -6.25x + -0.8x2 + x3) = 0

Solving
5 + -6.25x + -0.8x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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