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

A company rents water tanks shaped like cylinders. Each tank has a radius of 4 feet and a height of 2 feet. The cost is $5 per cubic foot. How much does it cost
What is the equation for -19 = b - 6
How did women take part in the civil war
Explain how the overproduction of grasshoppers will affect each population and the entire food web. Use the scenario, food web and video as resources.
In a natural community in Colorado, producer organisms might include * a. Bacteria, fungi and viruses b. Deer, rabbits and mice c. Bears, aspen and flies O d. G
name the districts that touch the borders of china​
When anthropologists find steel artifacts, they can test the amount pf carbon In the steel to learn about the people that made the artifacts.
Who won the Vietnam war?
Find the value of x.
Type the four-syllable words. Word bank: benefactor, benevolent, benediction, beneficiary, benefactress, beneficial, benefit, beneficence, glacier, environment