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

A line has a slope of 3 and contains the point (−1, −8). Which equations represent the line? Choose all answers that are correct. A. −3x + y = −5 B. 3x + y =
Fran has 7 sheets of paper for a colouring project. If she only uses 1/3 of a sheet of paper per drawing how many drawings can she make?
Use absolute value to express the distance between 10 and -4
Around 1453, which empire sent the traveler Cheng Ho on a number of voyages throughout the Indian Ocean basin? A. Ming dynasty B. Aztec empire C. French kingdom
A projectile is launched at an angle above the ground. The horizontal component of the projectile’s velocity, vx, is initially 40. meters per second. The vertic
What is iron deficiency anemia
The SECOND nation to test an atomic bomb was __________.Select one of the options below as your answer: a. Great Britain b. China c. France d. the Soviet Un
A projectile is launched at an angle above the ground. The horizontal component of the projectile’s velocity, vx, is initially 40. meters per second. The vertic
what does title optional means
what does the polarity of the water molecule enable it to do