1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
DIA [1.3K]
3 years ago
11

Logbase3 (x+2)= log base3 (2x^2-1) steps 1 through 6

Mathematics
1 answer:
kari74 [83]3 years ago
5 0

log_3(x+2)=log_3(2x^2-1)\\3^{log_3(x+2)}=3^{log_3(2x^2-1)}\\x+2=2x^2-1\\-x -2       -x -2\\0=2x^2-x-3\\2*-3=-6\\Test factors -3 and 2:\\-3*2=-6, -3+2=-1\\(x-3)(x+2)=0\\Use slide and divide with 2:\\(x-3/2)(x+2/2)=0\\=>\\(2x-3)(x+1)=0\\Set both equal to 0:\\x+1=0\\x=-1\\2x-3=0\\2x=3\\/2   /2\\x=3/2\\

Answer:

x=-1, 3/2

You might be interested in
What is 2100 as a fraction
mina [271]
2100/1 or 4200/2, could be either
4 0
3 years ago
Read 2 more answers
Sorry had to repost lol could you answer part b of the question for me please???
Dima020 [189]

Answer:

hey one point goes through (-1.5,0) and( 0,3)

Step-by-step explanation:

Hope this helps

pls put brainliest

5 0
3 years ago
Help me on number six
Anna11 [10]
If you divide 4.16 by 5.20 you get .8 which would be .80 cents a pound
8 0
3 years ago
Read 2 more answers
What is 3,567,194 rounded
coldgirl [10]
4,000,000 is 3,567,194 rounded (-:
4 0
3 years ago
The area of a rectangle is represented by the polynomial x^2+3x-6x-18. What are the length, width, and area of the rectangle if
Nitella [24]

Answer:

Length = 15

Width = 6

Area = 90

Step-by-step explanation:

Area of the rectangle = {x}^{2}  + 3x - 6x - 18

Lets factorise the polynomial

=  >  x(x + 3) - 6(x + 3)

=  > (x  + 3)(x - 6)

We know that Area = Length × Width

Let the length be (x + 3) & width be (x - 6)

Its given in the question that x = 12. So putting the value of x gives ,

Length = x + 3 = 12 + 3 = 15

Width = x - 6 = 12 - 6 = 6

Area = Length × Width = 15 × 6 = 90

5 0
3 years ago
Other questions:
  • Find the slope of the line
    6·2 answers
  • (2x4+x3−4x2+3)+(4x4−2x3−x2+10x+2)
    7·2 answers
  • Write the following out digits: seventy three thousand, seven hundred eighty nine
    11·1 answer
  • Heather was asked to graph 3x - y = -4 by using slope and y-intercept. Her graph is shown.
    13·1 answer
  • Answer needed -3x + 9 = 18
    15·1 answer
  • ABC has A(-3,6),B(2,1),and C(9,5) as its vertices the length of side AB is units . The length of side BC is ?units . The length
    7·1 answer
  • WILL MARK BRAINLIEST!!!
    5·1 answer
  • Find the error & explain why it is wrong:
    10·1 answer
  • I hope this I better than the blurry photo I took '-'​
    7·1 answer
  • X -> ∞ * (sqrt(x - a) - sqrt(bx))​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!