ahmadalaska907
ahmadalaska907 ahmadalaska907
  • 02-08-2020
  • Mathematics
contestada

are these two expressions equal? (q-r)^2 and q^2-r^2?????

Respuesta :

09pqr4sT
09pqr4sT 09pqr4sT
  • 02-08-2020

Answer:

[tex]\boxed{\sf No}[/tex]

Step-by-step explanation:

[tex](q-r)^2[/tex]

Expand brackets.

[tex](q-r)(q-r)[/tex]

[tex]q^2 -rq -rq+r^2[/tex]

Combine like terms.

[tex]q^2 -2rq+r^2[/tex]

The expression is not equal to [tex]q^2 -r^2[/tex].

Answer Link
Yisrael777
Yisrael777 Yisrael777
  • 02-08-2020

Answer:

Yes, they are.

Step-by-step explanation:

[tex](q - r) {}^{2} =( q) {}^{2} - (r) {}^{2} = q {}^{2} - r {}^{2} [/tex]

[tex](q - r) {}^{2} = q {}^{2} - r {}^{2} [/tex]

Hope this helps ;) ❤❤❤

Answer Link

Otras preguntas

log4(x)+log4(x+15)=2
two sisters, jenny and penny, play on the same basketball team. last season they scored a combined total of 458 points. jenny scored 192 of the points. write an
what's an improper fraction
two trains leave stations 408 miles apart at the same time and travel toward eachother. one train travels at 95 miles per hour while the other travels at 75 mil
are there forests in Hungary
1.How would you describe a person that wants to help his family ? 2. How would you describe a person that is hopeful?
1. What is the value of the expression below? Please show work 3⁴+9= A.21 B.39 C.43 D.90 2. Which expression is equivalent to 5(d+1)? Please show work A.5d+5 B.
What would be most useful to help make a simple compass a nonmetal bar,a round metal can,a small iron nail,or a Quartz needle
What changes were made in Utah during World War 1?
How to make a mixed fraction