Ava45018
Ava45018
29-12-2017
Mathematics
contestada
How do u do this??????
Respuesta :
icedipping
icedipping
29-12-2017
f(x^2) = x^2 - 3
5f(x^2) = 5x^2 - 15 = 2x - 8
Placing all the terms on the left side, we get:
5x^2 - 2x - 7 = 0 which factorises to
(5x - 7)(x + 1) = 0
So, x = 7/5 or x = -1
But x is non-negative, so x = 7/5 = 1 2/5
C
is the answer.
Answer Link
VER TODAS LAS RESPUESTAS ( 99+ )
Otras preguntas
What does mean? Bio- Geo- Chemical- Cycle-
How many solutions does the system 2y=10x-14 and 5x-y=7 have
What mountain range posed a challenge to settlers who went west in the 1800s?
Q: Through which of the following ways can heat be transferred? Optional Answer: A. By direct or indirect contact between objects at different temperatures.
If y=5x-3 and 3x-y=-1, what is the value of y
Is every quadrilateral a square ?
explain how geographic features can cause local winds?
what is 624/60 written in mixed numbers
what is the sum of 1 7/8 and 2 3/8
US GOVERNMENT QUESTIONWhat was an important argument against the proposed Constitution?A.) It did not guarantee basic rightsB.) It gave to much power to the sta
