jody179 jody179

04-05-2021
Mathematics

contestada

Abdullah expands (x - 3)2 and gets the answer x2 - 9. Describe what he has
done wrong.

Respuesta :

lucindat2004 lucindat2004

04-05-2021

Answer:

He squared the numbers inside without following the appropriate rule

Step-by-step explanation:

what he should have done

[tex](x-3)^2\\= x^2 - 2 *x*3+3^2\\= x^2-6x+9[/tex]

Answer Link

Otras preguntas

If you are a member of an assurance engagement team (not an audit), what entities do you need to be independent of

The bottom of liz's favorite teacup has a radius of 4 centimeters. what is the circumference of the bottom of the teacup?

What time period first introduced Christmas wreaths?

If f(x)=3x2-5 and g(x) =-2x+5, then f(3)g(3)=?

Multiply: -5 x (-3) x 7a. 90b. -105c. 105d. -90

22. A bag contains 20 red, 40 blue and 15 yellow balls. Find the percentage of red balls. (A) 24 2/3% (B) 26% (C 25 2/3 % (D) 26 2/3%

Trucker hiked 15 miles in 3 hours. How many miles does Tucker bike in 1 hour?

A line passes through the points ( – 1, – 9) and (1,7). Write its equation in slope-intercept form. Write your answer using integers, proper fractions, and impr

Austin is the youngest brother. He likes his hot chocolate with 4 ounces of chocolate syrup and 6 ounces of milk. Whose hot chocolate is more chocolatey, Austin

Insert the correct symbol 5 _ 4