(5x+4)(3x^2-8x+5)=0

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Solution for (5x+4)(3x^2-8x+5)=0 equation: 


Simplifying
(5x + 4)(3x2 + -8x + 5) = 0

Reorder the terms:
(4 + 5x)(3x2 + -8x + 5) = 0

Reorder the terms:
(4 + 5x)(5 + -8x + 3x2) = 0

Multiply (4 + 5x) * (5 + -8x + 3x2)
(4(5 + -8x + 3x2) + 5x * (5 + -8x + 3x2)) = 0
((5 * 4 + -8x * 4 + 3x2 * 4) + 5x * (5 + -8x + 3x2)) = 0
((20 + -32x + 12x2) + 5x * (5 + -8x + 3x2)) = 0
(20 + -32x + 12x2 + (5 * 5x + -8x * 5x + 3x2 * 5x)) = 0
(20 + -32x + 12x2 + (25x + -40x2 + 15x3)) = 0

Reorder the terms:
(20 + -32x + 25x + 12x2 + -40x2 + 15x3) = 0

Combine like terms: -32x + 25x = -7x
(20 + -7x + 12x2 + -40x2 + 15x3) = 0

Combine like terms: 12x2 + -40x2 = -28x2
(20 + -7x + -28x2 + 15x3) = 0

Solving
20 + -7x + -28x2 + 15x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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