(0.4-x)(0.4-x)(53.3)(-2x^2)=0

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Solution for (0.4-x)(0.4-x)(53.3)(-2x^2)=0 equation: 


Simplifying
(0.4 + -1x)(0.4 + -1x)(53.3)(-2x2) = 0

Remove parenthesis around (-2x2)
(0.4 + -1x)(0.4 + -1x) * 53.3 * -2x2 = 0

Reorder the terms for easier multiplication:
53.3 * -2x2(0.4 + -1x)(0.4 + -1x) = 0

Multiply 53.3 * -2
-106.6x2(0.4 + -1x)(0.4 + -1x) = 0

Multiply (0.4 + -1x) * (0.4 + -1x)
-106.6x2(0.4(0.4 + -1x) + -1x * (0.4 + -1x)) = 0
-106.6x2((0.4 * 0.4 + -1x * 0.4) + -1x * (0.4 + -1x)) = 0
-106.6x2((0.16 + -0.4x) + -1x * (0.4 + -1x)) = 0
-106.6x2(0.16 + -0.4x + (0.4 * -1x + -1x * -1x)) = 0
-106.6x2(0.16 + -0.4x + (-0.4x + 1x2)) = 0

Combine like terms: -0.4x + -0.4x = -0.8x
-106.6x2(0.16 + -0.8x + 1x2) = 0
(0.16 * -106.6x2 + -0.8x * -106.6x2 + 1x2 * -106.6x2) = 0
(-17.056x2 + 85.28x3 + -106.6x4) = 0

Solving
-17.056x2 + 85.28x3 + -106.6x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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