10y^2+21Y+8=0

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Solution for 10y^2+21Y+8=0 equation: 


Simplifying
10y2 + 21Y + 8 = 0

Reorder the terms:
8 + 21Y + 10y2 = 0

Solving
8 + 21Y + 10y2 = 0

Solving for variable 'Y'.

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

Add '-8' to each side of the equation.
8 + 21Y + -8 + 10y2 = 0 + -8

Reorder the terms:
8 + -8 + 21Y + 10y2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 21Y + 10y2 = 0 + -8
21Y + 10y2 = 0 + -8

Combine like terms: 0 + -8 = -8
21Y + 10y2 = -8

Add '-10y2' to each side of the equation.
21Y + 10y2 + -10y2 = -8 + -10y2

Combine like terms: 10y2 + -10y2 = 0
21Y + 0 = -8 + -10y2
21Y = -8 + -10y2

Divide each side by '21'.
Y = -0.380952381 + -0.4761904762y2

Simplifying
Y = -0.380952381 + -0.4761904762y2

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