zapataryan062
zapataryan062 zapataryan062
  • 24-06-2022
  • Mathematics
contestada

For what values of x does 25× - 5ײ-3?
O x = -3, x = 1
O x = -1, x = 3
3
0 X=-²2/₁X-2
Ox
3
O x= -2, x=-2/

For what values of x does 25 53 O x 3 x 1 O x 1 x 3 3 0 X2X2 Ox 3 O x 2 x2 class=

Respuesta :

yatishyanamala yatishyanamala
  • 24-06-2022

Answer:

X = 3, -1; B

Step-by-step explanation:

Use log properties, log 5 on both sides, log 5 of 25 is 2 that times the exponent, so 2*x = 2x, and on the other side, log 5 and base of 5  cancels. So 2x = x^2 -3, which can be solved using factoring:

x^2 -2x -3 = (x-3)(x+1) = 0, x=3,-1

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