2.1x^2=861

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Solution for 2.1x^2=861 equation: 


Simplifying
2.1x2 = 861

Solving
2.1x2 = 861

Solving for variable 'x'.

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

Divide each side by '2.1'.
x2 = 410

Simplifying
x2 = 410

Take the square root of each side:
x = {-20.248456731, 20.248456731}

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