F(x)=(7-2x)(x+5)

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


Simplifying
F(x) = (7 + -2x)(x + 5)

Multiply F * x
xF = (7 + -2x)(x + 5)

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

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

Combine like terms: 7x + -10x = -3x
xF = (35 + -3x + -2x2)

Solving
xF = 35 + -3x + -2x2

Solving for variable 'x'.

Reorder the terms:
-35 + 3x + xF + 2x2 = 35 + -3x + -2x2 + -35 + 3x + 2x2

Reorder the terms:
-35 + 3x + xF + 2x2 = 35 + -35 + -3x + 3x + -2x2 + 2x2

Combine like terms: 35 + -35 = 0
-35 + 3x + xF + 2x2 = 0 + -3x + 3x + -2x2 + 2x2
-35 + 3x + xF + 2x2 = -3x + 3x + -2x2 + 2x2

Combine like terms: -3x + 3x = 0
-35 + 3x + xF + 2x2 = 0 + -2x2 + 2x2
-35 + 3x + xF + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-35 + 3x + xF + 2x2 = 0

The solution to this equation could not be determined.

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