Math, asked by aftabk478, 2 months ago

x2 +12x-20/3x-5=x2 +8x+12/2x+3







Answers

Answered by debanwita2005
77

Answer:

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Answered by ITZBFF
74

  \boxed{\mathsf \red{ \frac{ {x}^{2} + 12x - 20 }{3x - 5}  =  \frac{ {x}^{2} + 8x + 12 }{2x + 3} }} \\  \\  \mathsf{(2x + 3).( {x}^{2}  + 12x - 20) \:  =  \: (3x - 5).( {x}^{2}  + 8x + 12)} \\  \\  \mathsf{2 {x}^{3}  + 27 {x}^{2}  - 4x - 60 = 3 {x}^{3} + 19 {x}^{2}   - 4x - 60 } \\  \\  \mathsf{27 {x}^{2}  - 19 {x}^{2}  = 3 {x}^{3} - 2 {x}^{3}  } \\  \\  \mathsf{8 {x}^{2}  =  {x}^{3} } \\  \\  \boxed{ \mathsf{x = 8}}

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