x(x+5)-3=x^2-5(x+4)

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Solution for x(x+5)-3=x^2-5(x+4) equation:


Simplifying
x(x + 5) + -3 = x2 + -5(x + 4)

Reorder the terms:
x(5 + x) + -3 = x2 + -5(x + 4)
(5 * x + x * x) + -3 = x2 + -5(x + 4)
(5x + x2) + -3 = x2 + -5(x + 4)

Reorder the terms:
-3 + 5x + x2 = x2 + -5(x + 4)

Reorder the terms:
-3 + 5x + x2 = x2 + -5(4 + x)
-3 + 5x + x2 = x2 + (4 * -5 + x * -5)
-3 + 5x + x2 = x2 + (-20 + -5x)

Reorder the terms:
-3 + 5x + x2 = -20 + -5x + x2

Add '-1x2' to each side of the equation.
-3 + 5x + x2 + -1x2 = -20 + -5x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-3 + 5x + 0 = -20 + -5x + x2 + -1x2
-3 + 5x = -20 + -5x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-3 + 5x = -20 + -5x + 0
-3 + 5x = -20 + -5x

Solving
-3 + 5x = -20 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-3 + 5x + 5x = -20 + -5x + 5x

Combine like terms: 5x + 5x = 10x
-3 + 10x = -20 + -5x + 5x

Combine like terms: -5x + 5x = 0
-3 + 10x = -20 + 0
-3 + 10x = -20

Add '3' to each side of the equation.
-3 + 3 + 10x = -20 + 3

Combine like terms: -3 + 3 = 0
0 + 10x = -20 + 3
10x = -20 + 3

Combine like terms: -20 + 3 = -17
10x = -17

Divide each side by '10'.
x = -1.7

Simplifying
x = -1.7

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