5x+x^2+2x+5-4-x^2=

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


Simplifying
5x + x2 + 2x + 5 + -4 + -1x2 = 0

Reorder the terms:
5 + -4 + 5x + 2x + x2 + -1x2 = 0

Combine like terms: 5 + -4 = 1
1 + 5x + 2x + x2 + -1x2 = 0

Combine like terms: 5x + 2x = 7x
1 + 7x + x2 + -1x2 = 0

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

Solving
1 + 7x = 0

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 7x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 7x = 0 + -1
7x = 0 + -1

Combine like terms: 0 + -1 = -1
7x = -1

Divide each side by '7'.
x = -0.1428571429

Simplifying
x = -0.1428571429

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