55=x*-2x+5

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Solution for 55=x*-2x+5 equation:


Simplifying
55 = x * -2x + 5

Reorder the terms for easier multiplication:
55 = -2x * x + 5

Multiply x * x
55 = -2x2 + 5

Reorder the terms:
55 = 5 + -2x2

Solving
55 = 5 + -2x2

Solving for variable 'x'.

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

Add '2x2' to each side of the equation.
55 + 2x2 = 5 + -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
55 + 2x2 = 5 + 0
55 + 2x2 = 5

Add '-55' to each side of the equation.
55 + -55 + 2x2 = 5 + -55

Combine like terms: 55 + -55 = 0
0 + 2x2 = 5 + -55
2x2 = 5 + -55

Combine like terms: 5 + -55 = -50
2x2 = -50

Divide each side by '2'.
x2 = -25

Simplifying
x2 = -25

Reorder the terms:
25 + x2 = -25 + 25

Combine like terms: -25 + 25 = 0
25 + x2 = 0

The solution to this equation could not be determined.

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