F(x)=(x+1)(x-3)

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Solution for F(x)=(x+1)(x-3) equation: 


Simplifying
F(x) = (x + 1)(x + -3)

Multiply F * x
xF = (x + 1)(x + -3)

Reorder the terms:
xF = (1 + x)(x + -3)

Reorder the terms:
xF = (1 + x)(-3 + x)

Multiply (1 + x) * (-3 + x)
xF = (1(-3 + x) + x(-3 + x))
xF = ((-3 * 1 + x * 1) + x(-3 + x))
xF = ((-3 + 1x) + x(-3 + x))
xF = (-3 + 1x + (-3 * x + x * x))
xF = (-3 + 1x + (-3x + x2))

Combine like terms: 1x + -3x = -2x
xF = (-3 + -2x + x2)

Solving
xF = -3 + -2x + x2

Solving for variable 'x'.

Reorder the terms:
3 + 2x + xF + -1x2 = -3 + -2x + x2 + 3 + 2x + -1x2

Reorder the terms:
3 + 2x + xF + -1x2 = -3 + 3 + -2x + 2x + x2 + -1x2

Combine like terms: -3 + 3 = 0
3 + 2x + xF + -1x2 = 0 + -2x + 2x + x2 + -1x2
3 + 2x + xF + -1x2 = -2x + 2x + x2 + -1x2

Combine like terms: -2x + 2x = 0
3 + 2x + xF + -1x2 = 0 + x2 + -1x2
3 + 2x + xF + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
3 + 2x + xF + -1x2 = 0

The solution to this equation could not be determined.

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