f(x)=x^3+3x^2*5x+4

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Solution for f(x)=x^3+3x^2*5x+4 equation:


Simplifying
f(x) = x3 + 3x2 * 5x + 4

Multiply f * x
fx = x3 + 3x2 * 5x + 4

Reorder the terms for easier multiplication:
fx = x3 + 3 * 5x2 * x + 4

Multiply 3 * 5
fx = x3 + 15x2 * x + 4

Multiply x2 * x
fx = x3 + 15x3 + 4

Reorder the terms:
fx = 4 + x3 + 15x3

Combine like terms: x3 + 15x3 = 16x3
fx = 4 + 16x3

Solving
fx = 4 + 16x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 4x-1 + 16x2

Simplifying
f = 4x-1 + 16x2

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