(x-6)(x-9)=(x+7)(x+3)

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Solution for (x-6)(x-9)=(x+7)(x+3) equation:


Simplifying
(x + -6)(x + -9) = (x + 7)(x + 3)

Reorder the terms:
(-6 + x)(x + -9) = (x + 7)(x + 3)

Reorder the terms:
(-6 + x)(-9 + x) = (x + 7)(x + 3)

Multiply (-6 + x) * (-9 + x)
(-6(-9 + x) + x(-9 + x)) = (x + 7)(x + 3)
((-9 * -6 + x * -6) + x(-9 + x)) = (x + 7)(x + 3)
((54 + -6x) + x(-9 + x)) = (x + 7)(x + 3)
(54 + -6x + (-9 * x + x * x)) = (x + 7)(x + 3)
(54 + -6x + (-9x + x2)) = (x + 7)(x + 3)

Combine like terms: -6x + -9x = -15x
(54 + -15x + x2) = (x + 7)(x + 3)

Reorder the terms:
54 + -15x + x2 = (7 + x)(x + 3)

Reorder the terms:
54 + -15x + x2 = (7 + x)(3 + x)

Multiply (7 + x) * (3 + x)
54 + -15x + x2 = (7(3 + x) + x(3 + x))
54 + -15x + x2 = ((3 * 7 + x * 7) + x(3 + x))
54 + -15x + x2 = ((21 + 7x) + x(3 + x))
54 + -15x + x2 = (21 + 7x + (3 * x + x * x))
54 + -15x + x2 = (21 + 7x + (3x + x2))

Combine like terms: 7x + 3x = 10x
54 + -15x + x2 = (21 + 10x + x2)

Add '-1x2' to each side of the equation.
54 + -15x + x2 + -1x2 = 21 + 10x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
54 + -15x + 0 = 21 + 10x + x2 + -1x2
54 + -15x = 21 + 10x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
54 + -15x = 21 + 10x + 0
54 + -15x = 21 + 10x

Solving
54 + -15x = 21 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
54 + -15x + -10x = 21 + 10x + -10x

Combine like terms: -15x + -10x = -25x
54 + -25x = 21 + 10x + -10x

Combine like terms: 10x + -10x = 0
54 + -25x = 21 + 0
54 + -25x = 21

Add '-54' to each side of the equation.
54 + -54 + -25x = 21 + -54

Combine like terms: 54 + -54 = 0
0 + -25x = 21 + -54
-25x = 21 + -54

Combine like terms: 21 + -54 = -33
-25x = -33

Divide each side by '-25'.
x = 1.32

Simplifying
x = 1.32

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