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
Zepler [3.9K]
2 years ago
7

Please factorise the equations in the doc bellow ASAP. please show full working

Mathematics
2 answers:
ad-work [718]2 years ago
8 0

Answer:

b. x² + 8x + 12 =

1. use the factoring X (see attachment)

2. 6 x 2 = 12; 6 + 2 = 12

3. (x + 6)(x + 2) = 0

4. x = -6, -2

c. x² + 13x + 12 =

1. 12 x 1 = 12; 12 + 1 = 13

2. (x + 12)(x + 1) = 0

3. x = -12, -1

c. x² + x - 12 =

1. 4 · (-3) = -12; 4 - 3 = 1

2. (x +4)(x - 3) = 0

3. x = -4, 3

f. x² + 15x + 36 =

1. 12 x 3 = 36; 12 + 3 = 15

2. (x + 12)(x + 3) = 0

3. x = -12, -3

hope this helps :)

Naddik [55]2 years ago
8 0

Answer:

b) - (x + 2)(x + 6)

c) - (x + 12)(x + 1)

c) - (x - 3)(x + 4)

f) - (x + 12)(x + 3)

Step-by-step explanation:

Well to factor the given info we need to find the factors.

b)

x^2 + 8x + 12

So 6*2 = 12

6x + 2x = 8x

x*x = x^2

Factored - (x + 2)(x + 6)

c)

x^2 + 13x + 12

Well x*x = x^2

and 12*1 = 12

12x + x = 13x

Factored - (x + 12)(x + 1)

The second c)

x^2 + x - 12

Well x*x = x^2

-3*4 = -12

-3x + 4x = x

Factored - (x - 3)(x + 4)

f)

x^2 + 15x + 36

So x*x = x^2

12*3 = 36

12x + 3x = 15x

Factored - (x + 12)(x + 3)

<em />

<em>Thus,</em>

<em>everything factored is (x + 2)(x + 6) , (x + 12)(x + 1) , (x - 3)(x + 4) , </em>

<em>(x + 12)(x + 3).</em>

<em />

<em>Hope this helps :)</em>

You might be interested in
I need help graphing 2x - 6y = 42 I'm just really lazy​
solong [7]

Answer:

We can use slope intercept form to get the points needed. Y= -7+1/3x The points are (0,-7) and (3,-6)

Step-by-step explanation:

Subtract 2x from the left side and place it over to the right side with the 42. Now we have -6y= 42-2x. From here we divide by -6 and we get y= -7+1/3x. We know that are slope is 1/3 which the one is the rise and the 3 is the run. We also know that our y intercept is -7. We plot the points at (0,-7) and (3,-6)

3 0
2 years ago
Which one is a binomial
wlad13 [49]
D is the binomial in these examples.
4 0
3 years ago
What is the length of a dresser
NeX [460]
The answer is 35 inches.
8 0
3 years ago
Read 2 more answers
Help I give brainly
Wittaler [7]

Answer:

\huge\boxed{\sf x = 26}

Step-by-step explanation:

The acute angles of a right-angled triangle other than the right angle always add up to 90 degrees.

<u>So, we get:</u>

(48 - x) + (3x - 10) = 90

48 - x + 3x - 10 = 90

-x + 3x - 10 + 48 = 90

2x + 38 = 90

2x = 90 - 38

2x = 52

Divide both sides by 2

x = 52 / 2

x = 26

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
8 0
2 years ago
for a button to fit through its buttonhole the hole needs to be the size of the buttons diameter. what size buttonhole is needed
gogolik [260]
Circumference; C = π2r
Diameter; D = 2r

So then ...
C = πD

7.38 = πD
7.38 / π = D

2.35 cm = D
4 0
2 years ago
Other questions:
  • Last Thursday ​, a parking lot had 80 cars. Of those 80 ​cars, 20 ​% were brown ​, 28 were white ​, and the rest were tan . What
    7·1 answer
  • Can someone help with this question?
    11·2 answers
  • What is the approximate volume of the sphere?
    15·2 answers
  • Find x (2x+1) (5x+5)
    6·2 answers
  • Jane buys a lawnmower at 75% off of the original price. She pays $22.What was the original price
    12·1 answer
  • Darrin is hanging 200 feet of Christmas garland on the fencing that encloses his rectangular front yard. The length is 5 feet le
    6·2 answers
  • Evaluate 3z3z3, z when z=9z=9z, equals, 9.
    8·1 answer
  • What is the correct answer to this? Please help! Thank you so much ☺️
    12·2 answers
  • 7x + 15 = 12x + 5 <br> Solve with multiple operations
    11·2 answers
  • Use the simple interest formula 1=prt find the amount that needs to be invested at 7%per year for 12 years in order to earn 2500
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!