lovelynik2005 lovelynik2005
  • 18-02-2021
  • Mathematics
contestada

don't understand why 4v2=-12-9 is rewritten 2v+3 and 2v+3​

Respuesta :

MrRoyal
MrRoyal MrRoyal
  • 23-02-2021

Answer:

[tex](2v+3)(2v + 3) = 0[/tex]

Step-by-step explanation:

Given

[tex]4v^2 = -12v - 9[/tex]

Required

How to get (2v+3) and (2v + 3) as the solution

To do this, we simply factorize the expression

[tex]4v^2 = -12v - 9[/tex]

Move all terms to the left

[tex]4v^2 + 12v + 9 = 0[/tex]

Split

[tex]4v^2 + 6v + 6v + 9=0[/tex]

Expand

[tex]2v(2v+3)+3(3v+3) = 0[/tex]

[tex](2v+3)(2v + 3) = 0[/tex]

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