(7x+3)(3x^2-20x-7)=0

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Solution for (7x+3)(3x^2-20x-7)=0 equation: 


Simplifying
(7x + 3)(3x2 + -20x + -7) = 0

Reorder the terms:
(3 + 7x)(3x2 + -20x + -7) = 0

Reorder the terms:
(3 + 7x)(-7 + -20x + 3x2) = 0

Multiply (3 + 7x) * (-7 + -20x + 3x2)
(3(-7 + -20x + 3x2) + 7x * (-7 + -20x + 3x2)) = 0
((-7 * 3 + -20x * 3 + 3x2 * 3) + 7x * (-7 + -20x + 3x2)) = 0
((-21 + -60x + 9x2) + 7x * (-7 + -20x + 3x2)) = 0
(-21 + -60x + 9x2 + (-7 * 7x + -20x * 7x + 3x2 * 7x)) = 0
(-21 + -60x + 9x2 + (-49x + -140x2 + 21x3)) = 0

Reorder the terms:
(-21 + -60x + -49x + 9x2 + -140x2 + 21x3) = 0

Combine like terms: -60x + -49x = -109x
(-21 + -109x + 9x2 + -140x2 + 21x3) = 0

Combine like terms: 9x2 + -140x2 = -131x2
(-21 + -109x + -131x2 + 21x3) = 0

Solving
-21 + -109x + -131x2 + 21x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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