(x-5)(x-6)=x(x+3)+7

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Solution for (x-5)(x-6)=x(x+3)+7 equation:


Simplifying
(x + -5)(x + -6) = x(x + 3) + 7

Reorder the terms:
(-5 + x)(x + -6) = x(x + 3) + 7

Reorder the terms:
(-5 + x)(-6 + x) = x(x + 3) + 7

Multiply (-5 + x) * (-6 + x)
(-5(-6 + x) + x(-6 + x)) = x(x + 3) + 7
((-6 * -5 + x * -5) + x(-6 + x)) = x(x + 3) + 7
((30 + -5x) + x(-6 + x)) = x(x + 3) + 7
(30 + -5x + (-6 * x + x * x)) = x(x + 3) + 7
(30 + -5x + (-6x + x2)) = x(x + 3) + 7

Combine like terms: -5x + -6x = -11x
(30 + -11x + x2) = x(x + 3) + 7

Reorder the terms:
30 + -11x + x2 = x(3 + x) + 7
30 + -11x + x2 = (3 * x + x * x) + 7
30 + -11x + x2 = (3x + x2) + 7

Reorder the terms:
30 + -11x + x2 = 7 + 3x + x2

Add '-1x2' to each side of the equation.
30 + -11x + x2 + -1x2 = 7 + 3x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
30 + -11x + 0 = 7 + 3x + x2 + -1x2
30 + -11x = 7 + 3x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
30 + -11x = 7 + 3x + 0
30 + -11x = 7 + 3x

Solving
30 + -11x = 7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
30 + -11x + -3x = 7 + 3x + -3x

Combine like terms: -11x + -3x = -14x
30 + -14x = 7 + 3x + -3x

Combine like terms: 3x + -3x = 0
30 + -14x = 7 + 0
30 + -14x = 7

Add '-30' to each side of the equation.
30 + -30 + -14x = 7 + -30

Combine like terms: 30 + -30 = 0
0 + -14x = 7 + -30
-14x = 7 + -30

Combine like terms: 7 + -30 = -23
-14x = -23

Divide each side by '-14'.
x = 1.642857143

Simplifying
x = 1.642857143

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