3r*5r=10

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Solution for 3r*5r=10 equation: 


Simplifying
3r * 5r = 10

Reorder the terms for easier multiplication:
3 * 5r * r = 10

Multiply 3 * 5
15r * r = 10

Multiply r * r
15r2 = 10

Solving
15r2 = 10

Solving for variable 'r'.

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

Divide each side by '15'.
r2 = 0.6666666667

Simplifying
r2 = 0.6666666667

Take the square root of each side:
r = {-0.816496581, 0.816496581}

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