OlivierGO2005
OlivierGO2005 OlivierGO2005
  • 10-02-2019
  • Mathematics
contestada

(3x–2)(x+4)–3(x+5)(x–1)=0

Respuesta :

zrh2sfo
zrh2sfo zrh2sfo
  • 10-02-2019

Answer:

x = 7/2

Step-by-step explanation:

Solve for x over the real numbers:

(3 x - 2) (x + 4) - 3 (x + 5) (x - 1) = 0

Expand out terms of the left hand side:

7 - 2 x = 0

Multiply both sides by -1:

2 x - 7 = 0

Add 7 to both sides:

2 x = 7

Divide both sides by 2:

Answer:  x = 7/2

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