3 years ago

Simplify: (5x2 − 9x + 3) + (4x2 + 4x − 12)

Mathematics

2 answers:

dem82 [27]3 years ago

6 0

5x2 - 9x + 3 + 4x2 + 4x - 12
= 9x2 - 5x - 9

hope this helps (all I did was combine like terms)

Irina-Kira [14]3 years ago

3 0

(5x² - 9x + 3) + (4x² + 4x - 12) = 5x² - 9x + 3 + 4x² + 4x - 12 = 9x² -5x - 9

You might be interested in

Jake says adding 0 to an addendum does not change a sum. Is he correct

siniylev [52]

Nothing changes if you don't add anything.

Example:

10+10=20
20+0=20

nothing changes.

5 0

3 years ago

The diagram shows a dilation of line AB

Orlov [11]

Answer:

1. OA= 2.0 OA’= 3.0

2. OB= 3.0 OB’= 4.5

3. AB= 2.2 A’B’= 3.3

4. 1.5

5. 1.5

6. 1.5

7 0

3 years ago

Read 2 more answers

Find the area of the figure below

horrorfan [7]

Answer:

99 $cm^{2}$

Step-by-step explanation:

12x4=48

12x3=36

12-4-5=3

3x5=15

48+36+15=99

5 0

2 years ago

A car on a racetrack drove 98 miles in 60 minutes. How far did it drive in 12 minutes? Round the the nearest tenth when necessar

Alborosie

Answer:

19.6 miles in 12 minutes.

Step-by-step explanation:

first take 60, then divide it by 12.

60÷12=5

then take 98 and divide that by 5

98÷5=19.6

3 0

3 years ago

How many bases are there in the triangular pyramid shown below?

sukhopar [10]

Answer:

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers