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
Anit [1.1K]
3 years ago
6

Find the value of this expression if x=4 x^2-4/x-8

Mathematics
1 answer:
Arlecino [84]3 years ago
6 0
X = 4 + (x^2 - 4) / (x - 8)
x(x - 8) = 4(x - 8) + x^2 - 4
x^2 - 8x = 4x - 32 + x^2 - 4
-8x - 4x = -32 - 4
-12x = -36
x = -36/-12
x = 3
You might be interested in
If f(x) = 5x - 1, then f^-1(x)=
lesantik [10]
F(-1)=5(-1)-1
-5-1
-6
Your answer is-6
7 0
3 years ago
Read 2 more answers
identify an equation in slope-intercept from for the line parallel to y-5x+2 that passes through (-6,1)
Alex787 [66]

Answer:

Y=5x+29

Wnsjsksossnsjis

8 0
3 years ago
Which property of real numbers is Illustrated below<br> 12(x +4)=12x +48
tensa zangetsu [6.8K]

Answer:

distributive property

Step-by-step explanation:

In this equation, distributive property is used.

6 0
3 years ago
Help me answer this &lt;3
Kisachek [45]
The answer is B
when taking a square root of 75 it is 8.66 which is between 8 and 9.
6 0
3 years ago
What is magma? a. The molten mixture of rock-forming substances, gases, and water from the mantle.. c. Hardened lava on the surf
amid [387]

Answer: A. The molten mixture of rock-forming substances, gases, and water from the mantle

Magma is a mass of molten rock that is found in the deepest layers of the Earth at high temperature and pressure, and that can flow out through a volcano.

The composition of this mass is a mixture of liquids, volatile and solids that when they reach the surface in an eruption becomes lava, which when cooled crystallizes and gives rise to the formation of igneous rocks.

4 0
3 years ago
Other questions:
  • Solve the following system of equations using substitution. X=2y-7 4x+5y=24
    6·2 answers
  • How do I turn 7 over 8 divided by 2 over 5 into a mixed fraction
    14·1 answer
  • Write the standard form of the equation of each line given the slope and y- intercept
    5·1 answer
  • Which answer is equivalent to 4 1/3*4 1/6?<br> a. 16<br> b .6√​16<br> c. 2<br> d. 3√​4
    6·1 answer
  • I need help quick!!!!!!
    15·1 answer
  • When you divide two fractions, is the quotient always smaller than the dividend?
    7·2 answers
  • Negative numbers and Positive numbers
    11·1 answer
  • What is the difference between the absolute value of 4 and the absolute value of –3?
    10·2 answers
  • How to answer equations with rational numbers?
    10·1 answer
  • PLEASE HELP ITS MY TRIMESTER TEST MY MOM WILL KILL ME IF I FAIL! &lt;3 WILL MARK BRAINLIST!
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!