(7x^3-4x^2+8x-7)+2(-2x^3+5x-3)=

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Solution for (7x^3-4x^2+8x-7)+2(-2x^3+5x-3)= equation:


Simplifying
(7x3 + -4x2 + 8x + -7) + 2(-2x3 + 5x + -3) = 0

Reorder the terms:
(-7 + 8x + -4x2 + 7x3) + 2(-2x3 + 5x + -3) = 0

Remove parenthesis around (-7 + 8x + -4x2 + 7x3)
-7 + 8x + -4x2 + 7x3 + 2(-2x3 + 5x + -3) = 0

Reorder the terms:
-7 + 8x + -4x2 + 7x3 + 2(-3 + 5x + -2x3) = 0
-7 + 8x + -4x2 + 7x3 + (-3 * 2 + 5x * 2 + -2x3 * 2) = 0
-7 + 8x + -4x2 + 7x3 + (-6 + 10x + -4x3) = 0

Reorder the terms:
-7 + -6 + 8x + 10x + -4x2 + 7x3 + -4x3 = 0

Combine like terms: -7 + -6 = -13
-13 + 8x + 10x + -4x2 + 7x3 + -4x3 = 0

Combine like terms: 8x + 10x = 18x
-13 + 18x + -4x2 + 7x3 + -4x3 = 0

Combine like terms: 7x3 + -4x3 = 3x3
-13 + 18x + -4x2 + 3x3 = 0

Solving
-13 + 18x + -4x2 + 3x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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