2y(y)=400

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Solution for 2y(y)=400 equation: 


Simplifying
2y(y) = 400

Multiply y * y
2y2 = 400

Solving
2y2 = 400

Solving for variable 'y'.

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

Divide each side by '2'.
y2 = 200

Simplifying
y2 = 200

Take the square root of each side:
y = {-14.142135624, 14.142135624}

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