amirrobinson48
amirrobinson48 amirrobinson48
  • 01-07-2021
  • Mathematics
contestada

Subtract.
(3x2 + 7) - (3x - 2)
A. 3x2 – 3x+ 9
B. 3x2 – 3x + 5
C. 1x2 + 5
D. 1x2 + 9

Respuesta :

ashish4112119
ashish4112119 ashish4112119
  • 01-07-2021

Answer:

A. 3x2 - 3x + 9

Step-by-step explanation:

* means multiplied

(3x2 + 7) - (3x - 2)

- (3x - 2) is really -1 * (3x - 2)

so

-1 * (3x - 2)

is

-3x + 2

so

(3x2 + 7) - (3x - 2) =

(3x2 + 7) - 3x + 2 =

3x2 - 3x + 9

Answer Link
labeeb2
labeeb2 labeeb2
  • 01-07-2021

Answer:

The answer is A.

Step by step explanation:

=(32+7)−(3−2)

=(32+7)−3-2

=32+7−3+2

=32+9−3

=32−3+9

Answer Link

Otras preguntas

in hard times, charles dickens criticizes the educational system for promoting all of the following except _____. logical reasoning factual knowledge imaginatio
find x,y,z 2x-4y-z=8 3x+2y+z=11 5x-2y+3z=13
When x = 2, y = 50 and when x = 4, y = 100. Which direct variation equation can be used to model this function?
your respiratory system is the system in your body that is responsible for your breathing . true or false
What will the last payment be to pay off a $1,250 computer plus 8% sales tax with monthly payments of $120? $10 $11 $12 $20 $30
What dose a word written in capital letters represent
five times the difference of a number subtracted from ten is forty. what is the number?
Would an automobile moving at a constant speed of 100 km/h violate a 65 mph speed limit? Explain
Find the slope of the line 2x+5y=-3.
Putting punctuation marks at the end of each sentence is an example of a(n) _____________. Please select the best answer from the choices provided A) grammar ru