Rearrange this expression into quadratic form, ax² + bx + c = 0; 0.20 = x² / (85 - x).

An algebraic expression in the form of ax² + bx + c = 0 is called a quadratic equation. It has a degree value of 2.

Answer: 0.20 = x² / (85-x) can be arranged in the quadratic form as 5x² + x - 85 = 0.

Let us proceed step by step.

Explanation:

Let us simplify the given equation: 0.20 = x² / (85 - x)

⇒ 0.20 = x² / (85 - x)

⇒ 20/100 =  x² / (85 - x)

⇒ 1/5 =  x² / (85 - x) [ reducing to lowest form]

⇒ 5x² = 85 - x [ cross multiplying the terms ]

On rearranging we get 5x² + x - 85 = 0

Where a = 5, b = 1 and c = -85

Therefore, 0.20 = x² / (85 - x) can be arranged in the quadratic form as 5x² + x - 85 = 0.