3 years ago

Factorise x squared + 4x -12

Mathematics

2 answers:

kompoz [17]3 years ago

7 0

X
${x}^{2} + 4x - 12$

= (x+6) (x-2)

evablogger [386]3 years ago

7 0

Answer:

(x + 6)(x - 2)

Step-by-step explanation:

Consider the product of the factors of the constant term which sum to give the coefficient of the x- term, that is

product = - 12 and sum = + 4

The factors are + 6 and - 2, hence

x² + 4x - 12 = (x + 6)(x - 2)

You might be interested in

In the school band, there are 4 trumpet players and F flute players.The total number of trumpet and flute players is 12. Are the

Annette [7]

Yes there are 8 flute players
The equation is
4+F=12
Subtract 4 from both sides you have F=8

8 0

3 years ago

Question 5(Multiple Choice Worth 5 points)

Dmitry [639]

The correct answer is 25.12 cubic inches

5 0

3 years ago

Read 2 more answers

Una sustancia se encuentra en 15°c pero a partir de comienzo de un experimento su temperatura disminuye de manera uniforme a raz

bija089 [108]

Answer:

1= -15 °C

2= 7 minutos y medio

Step-by-step explanation:

1= colo la temperatura va bajando 2 grados cada minuto lo único que hay que hacer es restarle 30 °C a 15 y nos da -15 ° C

2= Solo divides 15 entre 2 y ya.

6 0

3 years ago

What will make 3/10 n= 4/5?

Paladinen [302]

Answer:

put 8/3

Step-by-step explanation:

Given

$\frac{3}{10} n \: = \frac{4}{5} \\ inserting \: n \: = \frac{8}{3} \: we \: get \: \\ \frac{3}{10} \times \frac{8}{3} = \frac{4}{5} \\ cancel \: 3 \: an d \: divide \: 8 \: and \: 10 \: by \: 2 \\ we \: get \\ \frac{4}{5} = \frac{4}{5}$

8 0

3 years ago

For each part below, use the figure to fill in the blank.

jenyasd209 [6]

Answer:

Step-by-step explanation:

5 0

2 years ago