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

Which of the following statements is true? A. The equator is warmer than the poles because the sun's energy is spread over a larger area. B. The top layer of ro
Enzymes are proteins that speed up chemical reactions in the body. How do they work?
What is the slope of the line with points (7, 6) and (-2, 2)?
How might a speech performed at a graduation ceremony differ from one given in a class setting?
Define G in terms of the gravitational force between two masses .Write its value and SI unit​
6. Why did immigrants turn to political machines?
Christian tradition says that
this is a geometry I question please explain your answer ty
differences between virus and bacterium ​
Wash hands for at least _____ in warm, soapy water before starting any food preparation.