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Simplifying
25r2 + 10 = 46
Reorder the terms:
10 + 25r2 = 46
Solving
10 + 25r2 = 46
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-10' to each side of the equation.
10 + -10 + 25r2 = 46 + -10
Combine like terms: 10 + -10 = 0
0 + 25r2 = 46 + -10
25r2 = 46 + -10
Combine like terms: 46 + -10 = 36
25r2 = 36
Divide each side by '25'.
r2 = 1.44
Simplifying
r2 = 1.44
Take the square root of each side:
r = {-1.2, 1.2}
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