14-2x^2=(5-x)(2x+1)

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Solution for 14-2x^2=(5-x)(2x+1) equation:


Simplifying
14 + -2x2 = (5 + -1x)(2x + 1)

Reorder the terms:
14 + -2x2 = (5 + -1x)(1 + 2x)

Multiply (5 + -1x) * (1 + 2x)
14 + -2x2 = (5(1 + 2x) + -1x * (1 + 2x))
14 + -2x2 = ((1 * 5 + 2x * 5) + -1x * (1 + 2x))
14 + -2x2 = ((5 + 10x) + -1x * (1 + 2x))
14 + -2x2 = (5 + 10x + (1 * -1x + 2x * -1x))
14 + -2x2 = (5 + 10x + (-1x + -2x2))

Combine like terms: 10x + -1x = 9x
14 + -2x2 = (5 + 9x + -2x2)

Add '2x2' to each side of the equation.
14 + -2x2 + 2x2 = 5 + 9x + -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
14 + 0 = 5 + 9x + -2x2 + 2x2
14 = 5 + 9x + -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
14 = 5 + 9x + 0
14 = 5 + 9x

Solving
14 = 5 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
14 + -9x = 5 + 9x + -9x

Combine like terms: 9x + -9x = 0
14 + -9x = 5 + 0
14 + -9x = 5

Add '-14' to each side of the equation.
14 + -14 + -9x = 5 + -14

Combine like terms: 14 + -14 = 0
0 + -9x = 5 + -14
-9x = 5 + -14

Combine like terms: 5 + -14 = -9
-9x = -9

Divide each side by '-9'.
x = 1

Simplifying
x = 1

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