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
baherus [9]
2 years ago
13

Pls factorise x²-7x+12

Mathematics
1 answer:
Anastaziya [24]2 years ago
3 0

Step-by-step explanation: The first thing you're going to probably

try to do here is to factor out a greatest common factor.

The problem is, there is no factor that is in common

to all three of these terms so you may think it's unfactorable.

However, this trinomial is in a special form.

We have an x squared term, an x term, and a constant term.

When a trinomial is in this form, it can be

factored as the product of two binomials.

So start by setting up two sets of parentheses.

Inside each set, we will have the two terms that compose each binomial.

So we have (    )(    ).

The first term is a factor of the x² term, x · x.

For the second term, we need factors of 12 that add to -7.

Since the middle term is negative, we use the negative factors of 12.

Notice that -4 and -3 add to -7 and multiply to be 12.

So our answer is (x - 4)(x - 3).

You might be interested in
What is the slope of this line?
Talja [164]

Answer:

-1

Step-by-step explanation:

Slope= rise/run

Since the line is decreasing, it will be negative.

6 0
3 years ago
Depreciation is the decrease in value of an item. Three years ago, Aaron bought a computer for $930. The computer is now worth $
Umnica [9.8K]

Answer:

$120

Step-by-step explanation:

930-570=360 (Price difference in 3 years)

360 divided by 3= 120 (Price difference for each of the 3 years)

7 0
3 years ago
Find the solution to the equation algebraically. Check your answer. k - 16 = 4
vitfil [10]

Answer:

k= 20

Step-by-step explanation:

You start with this equation:

k-16=4

Add 16 on both sides.

k=4+16

Simply.

k=20

If you want to check your answer, you can just plug 20 into where k is back into the equation:)

Hope this helps!

7 0
3 years ago
PLWEASE HELPP PLEASEEEEEE CAN U PLS HELP ILL MARK BRAINIEST
Alexus [3.1K]

Answer:

the first one that looks like a star

Step-by-step explanation:

because the shape on the base is a pentagon for the pyramid, and look for another pentagon in the middle of the images in the anwser choice and you find the first one is correct

8 0
2 years ago
Give a brief history of the metric system in your own words. (Please answer quick)
photoshop1234 [79]

Answer:

Gabriel Mouton was a church vicar who lived in Lyons, France, who is considered to be the creator of the metric stystem. he created it in 1970

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Max's cell phone plan charges a monthly
    14·1 answer
  • Write the fraction below as a sum or difference 5x+7 over 4
    12·2 answers
  • Mary wrote 4 integers. The sum of those integers is -22. The difference between the greatest and least integer is +50. What are
    6·1 answer
  • In a week, 15 hens laid 75 eggs. what is the unit rate for eggs per hen?
    13·1 answer
  • 4/7 of a pound converted into ounces
    6·2 answers
  • The length of a rectangle is three more than twice the width. Determine the dimensions that will give a total area of 27m^ {2}.
    12·2 answers
  • A can of soup contains 1 1/4 cups. A serving is 1/2 of a cup. How many servings are in the
    13·2 answers
  • Which problem can we solve with 1/2 / 7?
    10·1 answer
  • Which of these is the algebraic expression for "5 times the sum of 2 and y?" 052+ y O2 +5. O2(5 + y) O 5(2 + y)​
    12·1 answer
  • Cuanto es 12 + 1? Porfavor es para mi tarea de matemáticas.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!