x^2(4x+5a)=0

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Solution for x^2(4x+5a)=0 equation: 


Simplifying
x2(4x + 5a) = 0

Reorder the terms:
x2(5a + 4x) = 0
(5a * x2 + 4x * x2) = 0
(5ax2 + 4x3) = 0

Solving
5ax2 + 4x3 = 0

Solving for variable 'a'.

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

Add '-4x3' to each side of the equation.
5ax2 + 4x3 + -4x3 = 0 + -4x3

Combine like terms: 4x3 + -4x3 = 0
5ax2 + 0 = 0 + -4x3
5ax2 = 0 + -4x3
Remove the zero:
5ax2 = -4x3

Divide each side by '5x2'.
a = -0.8x

Simplifying
a = -0.8x

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