F(x)=(x-5)(2x+1)

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


Simplifying
F(x) = (x + -5)(2x + 1)

Multiply F * x
xF = (x + -5)(2x + 1)

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

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

Multiply (-5 + x) * (1 + 2x)
xF = (-5(1 + 2x) + x(1 + 2x))
xF = ((1 * -5 + 2x * -5) + x(1 + 2x))
xF = ((-5 + -10x) + x(1 + 2x))
xF = (-5 + -10x + (1 * x + 2x * x))
xF = (-5 + -10x + (1x + 2x2))

Combine like terms: -10x + 1x = -9x
xF = (-5 + -9x + 2x2)

Solving
xF = -5 + -9x + 2x2

Solving for variable 'x'.

Reorder the terms:
5 + 9x + xF + -2x2 = -5 + -9x + 2x2 + 5 + 9x + -2x2

Reorder the terms:
5 + 9x + xF + -2x2 = -5 + 5 + -9x + 9x + 2x2 + -2x2

Combine like terms: -5 + 5 = 0
5 + 9x + xF + -2x2 = 0 + -9x + 9x + 2x2 + -2x2
5 + 9x + xF + -2x2 = -9x + 9x + 2x2 + -2x2

Combine like terms: -9x + 9x = 0
5 + 9x + xF + -2x2 = 0 + 2x2 + -2x2
5 + 9x + xF + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
5 + 9x + xF + -2x2 = 0

The solution to this equation could not be determined.

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