Ortizflufy
Ortizflufy Ortizflufy
  • 02-03-2017
  • Mathematics
contestada

Simplification of the expression (-2x+8y)(9x-3y)

Respuesta :

baabaagreysheep
baabaagreysheep baabaagreysheep
  • 02-03-2017
You multiply each term by each term when expanding double brackets, so:
-2x × 9x = -18x^2
-2x × -3y = 6xy

8y × 9x = 72xy
8y × -3y = -24y^2

Now you combine the like terms to get
-18x^2 + 78xy - 24y^2
I hope this helps!
Answer Link

Otras preguntas

Your friend says the solution to the inequality 6X -12X is greater than or equal to -18 are x greater than or equal to 3. Solve the inequality correctly. What a
Which of the following is(are) true about ribosomes? Select all that apply. They are found free floating in the cytoplasm. They are the site of production of ca
What is the sum of the terms of the series 4 + 7 + 10 + . . . + 22? 91 43 104
describe the main characteristics of the Great plains
Help! The most helpful answer will be marked as BRAINLIEST!
I'VE ASKED THIS ONE EARLIER BUT NOBODY ANSWERED Point D is in the interior of \small \angle ABC, \small m\angle ABC=20x-15, \small m\angle ABD=6x-5, and \small
What were the consequences for people involved in the 9/11 attack?
Yossi used to have a square garage with 286 ft of floor space. He recently built an addition to it. The garage is still a​ square, but now it has​ 50% more floo
Identify who first ruled the Franks.
I will mark brainliest and its for 30 points. Explain why geographers often break the world into cultural regions. What can they learn by doing this, and how ca