r(x)=(2x-5)2

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Solution for r(x)=(2x-5)2 equation: 


Simplifying
r(x) = (2x + -5) * 2

Multiply r * x
rx = (2x + -5) * 2

Reorder the terms:
rx = (-5 + 2x) * 2

Reorder the terms for easier multiplication:
rx = 2(-5 + 2x)
rx = (-5 * 2 + 2x * 2)
rx = (-10 + 4x)

Solving
rx = -10 + 4x

Solving for variable 'r'.

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

Divide each side by 'x'.
r = -10x-1 + 4

Simplifying
r = -10x-1 + 4

Reorder the terms:
r = 4 + -10x-1

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