f(x)=(5x-1)(2x+7)

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Solution for f(x)=(5x-1)(2x+7) equation:


Simplifying
f(x) = (5x + -1)(2x + 7)

Multiply f * x
fx = (5x + -1)(2x + 7)

Reorder the terms:
fx = (-1 + 5x)(2x + 7)

Reorder the terms:
fx = (-1 + 5x)(7 + 2x)

Multiply (-1 + 5x) * (7 + 2x)
fx = (-1(7 + 2x) + 5x * (7 + 2x))
fx = ((7 * -1 + 2x * -1) + 5x * (7 + 2x))
fx = ((-7 + -2x) + 5x * (7 + 2x))
fx = (-7 + -2x + (7 * 5x + 2x * 5x))
fx = (-7 + -2x + (35x + 10x2))

Combine like terms: -2x + 35x = 33x
fx = (-7 + 33x + 10x2)

Solving
fx = -7 + 33x + 10x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -7x-1 + 33 + 10x

Simplifying
f = -7x-1 + 33 + 10x

Reorder the terms:
f = 33 + -7x-1 + 10x

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