kai1083 kai1083
  • 12-02-2021
  • Mathematics
contestada

Please be quick
Show that x^2+5x=3

Please be quick Show that x25x3 class=

Respuesta :

adbell2010
adbell2010 adbell2010
  • 12-02-2021

Answer:

[tex]\frac{-5 + \sqrt{37} }{2}[/tex]

Note:

Have no clue if its right

Answer Link
jimrgrant1 jimrgrant1
  • 12-02-2021

Answer:

see explanation

Step-by-step explanation:

The area (A) of the rectangle = length × breadth, that is

A = BC × CA

   = (x + 3)(x + 2) ← expand using FOIL

    = x² + 5x + 6

Given that A = 9 , then

x² + 5x + 6 = 9 ( subtract 6 from both sides )

x² + 5x = 3 ← as required

Answer Link

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