=200(1+R)2

Solution for =200(1+R)2 equation:

Simplifying
0 = 200(1 + R) * 2

Reorder the terms for easier multiplication:
0 = 200 * 2(1 + R)

Multiply 200 * 2
0 = 400(1 + R)
0 = (1 * 400 + R * 400)
0 = (400 + 400R)

Solving
0 = 400 + 400R

Solving for variable 'R'.

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

Add '-400R' to each side of the equation.
0 + -400R = 400 + 400R + -400R
Remove the zero:
-400R = 400 + 400R + -400R

Combine like terms: 400R + -400R = 0
-400R = 400 + 0
-400R = 400

Divide each side by '-400'.
R = -1

Simplifying
R = -1