f(x)=(3x+4)(x-2)

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Solution for f(x)=(3x+4)(x-2) equation:


Simplifying
f(x) = (3x + 4)(x + -2)

Multiply f * x
fx = (3x + 4)(x + -2)

Reorder the terms:
fx = (4 + 3x)(x + -2)

Reorder the terms:
fx = (4 + 3x)(-2 + x)

Multiply (4 + 3x) * (-2 + x)
fx = (4(-2 + x) + 3x * (-2 + x))
fx = ((-2 * 4 + x * 4) + 3x * (-2 + x))
fx = ((-8 + 4x) + 3x * (-2 + x))
fx = (-8 + 4x + (-2 * 3x + x * 3x))
fx = (-8 + 4x + (-6x + 3x2))

Combine like terms: 4x + -6x = -2x
fx = (-8 + -2x + 3x2)

Solving
fx = -8 + -2x + 3x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -8x-1 + -2 + 3x

Simplifying
f = -8x-1 + -2 + 3x

Reorder the terms:
f = -2 + -8x-1 + 3x

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