X^2-7x-18=(X+2)(x-9)

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Solution for X^2-7x-18=(X+2)(x-9) equation: 


Simplifying
X2 + -7x + -18 = (X + 2)(x + -9)

Reorder the terms:
-18 + X2 + -7x = (X + 2)(x + -9)

Reorder the terms:
-18 + X2 + -7x = (2 + X)(x + -9)

Reorder the terms:
-18 + X2 + -7x = (2 + X)(-9 + x)

Multiply (2 + X) * (-9 + x)
-18 + X2 + -7x = (2(-9 + x) + X(-9 + x))
-18 + X2 + -7x = ((-9 * 2 + x * 2) + X(-9 + x))
-18 + X2 + -7x = ((-18 + 2x) + X(-9 + x))
-18 + X2 + -7x = (-18 + 2x + (-9 * X + x * X))
-18 + X2 + -7x = (-18 + 2x + (-9X + xX))

Reorder the terms:
-18 + X2 + -7x = (-18 + -9X + 2x + xX)
-18 + X2 + -7x = (-18 + -9X + 2x + xX)

Add '18' to each side of the equation.
-18 + X2 + 18 + -7x = -18 + -9X + 2x + 18 + xX

Reorder the terms:
-18 + 18 + X2 + -7x = -18 + -9X + 2x + 18 + xX

Combine like terms: -18 + 18 = 0
0 + X2 + -7x = -18 + -9X + 2x + 18 + xX
X2 + -7x = -18 + -9X + 2x + 18 + xX

Reorder the terms:
X2 + -7x = -18 + 18 + -9X + 2x + xX

Combine like terms: -18 + 18 = 0
X2 + -7x = 0 + -9X + 2x + xX
X2 + -7x = -9X + 2x + xX

Solving
X2 + -7x = -9X + 2x + xX

Solving for variable 'X'.

Reorder the terms:
9X + X2 + -7x + -2x + -1xX = -9X + 2x + xX + 9X + -2x + -1xX

Combine like terms: -7x + -2x = -9x
9X + X2 + -9x + -1xX = -9X + 2x + xX + 9X + -2x + -1xX

Reorder the terms:
9X + X2 + -9x + -1xX = -9X + 9X + 2x + -2x + xX + -1xX

Combine like terms: -9X + 9X = 0
9X + X2 + -9x + -1xX = 0 + 2x + -2x + xX + -1xX
9X + X2 + -9x + -1xX = 2x + -2x + xX + -1xX

Combine like terms: 2x + -2x = 0
9X + X2 + -9x + -1xX = 0 + xX + -1xX
9X + X2 + -9x + -1xX = xX + -1xX

Combine like terms: xX + -1xX = 0
9X + X2 + -9x + -1xX = 0

The solution to this equation could not be determined.

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