Obaidi
Obaidi Obaidi
  • 28-03-2018
  • Mathematics
contestada

3x³+25x²+42x-40=0
How to solve this equation in detail

Respuesta :

claudettoterohil
claudettoterohil claudettoterohil
  • 28-03-2018
Solve equation step by step!

3x^3 + 25x^2 + 42x - 40 = 0

Step 1 Factor left side of equation
(3x - 2)(x + 4x)(x + 5) = 0


Step 2  Set Factors  equal to Zero(0)
3x - 2 = 0, or x + 4 = 0, or  x + 5 = 0


X = 2/3 or x = - 4, or x = - 5

Answer 
X = 2/3 or x = - 4, or x = - 5



Hope this helps!!!!
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