(0.1x^4+0.4x^2+4.9)-(7.2x^4+5.8x+3.1)=

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Solution for (0.1x^4+0.4x^2+4.9)-(7.2x^4+5.8x+3.1)= equation: 


Simplifying
(0.1x4 + 0.4x2 + 4.9) + -1(7.2x4 + 5.8x + 3.1) = 0

Reorder the terms:
(4.9 + 0.4x2 + 0.1x4) + -1(7.2x4 + 5.8x + 3.1) = 0

Remove parenthesis around (4.9 + 0.4x2 + 0.1x4)
4.9 + 0.4x2 + 0.1x4 + -1(7.2x4 + 5.8x + 3.1) = 0

Reorder the terms:
4.9 + 0.4x2 + 0.1x4 + -1(3.1 + 5.8x + 7.2x4) = 0
4.9 + 0.4x2 + 0.1x4 + (3.1 * -1 + 5.8x * -1 + 7.2x4 * -1) = 0
4.9 + 0.4x2 + 0.1x4 + (-3.1 + -5.8x + -7.2x4) = 0

Reorder the terms:
4.9 + -3.1 + -5.8x + 0.4x2 + 0.1x4 + -7.2x4 = 0

Combine like terms: 4.9 + -3.1 = 1.8
1.8 + -5.8x + 0.4x2 + 0.1x4 + -7.2x4 = 0

Combine like terms: 0.1x4 + -7.2x4 = -7.1x4
1.8 + -5.8x + 0.4x2 + -7.1x4 = 0

Solving
1.8 + -5.8x + 0.4x2 + -7.1x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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