15=-5X^2+20x-15

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Solution for 15=-5X^2+20x-15 equation:


Simplifying
15 = -5X2 + 20x + -15

Reorder the terms:
15 = -15 + -5X2 + 20x

Solving
15 = -15 + -5X2 + 20x

Solving for variable 'X'.

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

Add '5X2' to each side of the equation.
15 + 5X2 = -15 + -5X2 + 5X2 + 20x

Combine like terms: -5X2 + 5X2 = 0
15 + 5X2 = -15 + 0 + 20x
15 + 5X2 = -15 + 20x

Add '-15' to each side of the equation.
15 + -15 + 5X2 = -15 + -15 + 20x

Combine like terms: 15 + -15 = 0
0 + 5X2 = -15 + -15 + 20x
5X2 = -15 + -15 + 20x

Combine like terms: -15 + -15 = -30
5X2 = -30 + 20x

Divide each side by '5'.
X2 = -6 + 4x

Simplifying
X2 = -6 + 4x

Reorder the terms:
6 + X2 + -4x = -6 + 4x + 6 + -4x

Reorder the terms:
6 + X2 + -4x = -6 + 6 + 4x + -4x

Combine like terms: -6 + 6 = 0
6 + X2 + -4x = 0 + 4x + -4x
6 + X2 + -4x = 4x + -4x

Combine like terms: 4x + -4x = 0
6 + X2 + -4x = 0

The solution to this equation could not be determined.

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