mercedesmoreno2 mercedesmoreno2
  • 02-04-2019
  • Mathematics
contestada

If a square has a length of 3x-y, what is its area?

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 03-04-2019

Answer:

  9x² -6xy +y²

Step-by-step explanation:

The square of the binomial can be written directly using the relationship ...

  (a +b)² = a² +2ab +b²

where you have a=3x and b=-y.

  area = (3x -y)² = (3x)² + 2(3x)(-y) + (-y)²

  area = 9x² -6xy +y²

Answer Link

Otras preguntas

Matter is made up of very small particles called
Brown has his own bakery.He baked 5 cakes per day.Due to the occasion of Christmas, he started to bake 12 cakes per day.In the whole Christmas week how many cak
Why did the British army March on Lexington and concord?
What's the fraction for 2%
The 347 students who listed soccer as their favorite sport were 13 less than three times the number of students who listed basketball as their favorite sport
12 letter that has to do with farming
what is ocean water?
How do I find the mean change in elevation of. A snowboarder. Who descends a 1200 foot hill in 3 minutes
how do I solve -5 - (15y - 1) = 2 (7y - 16) - y
What is one reason why Thomas Paine says that the time for independence is now? a. Because the British have vulnerable islands b. Because the British are distra