sammycruz sammycruz
  • 24-06-2015
  • Mathematics
contestada

Simplify p(p - q) - q(q - p).

Respuesta :

AceTheGod AceTheGod
  • 24-06-2015
((p^2)-pq) - ((q^2)-pq)
(p^2) - (q^2) - 2pq
Answer Link
RCTarzan2311 RCTarzan2311
  • 24-06-2015
p(p-q) - q(q-p)

a(b+c) = a(b) + a(c) so...

p(p) + p(-q) - q(q) - q(-p)

p² -pq - q² + qp

a*b = b*a so...

-pq + qp = 0 so...

The answer is...

p² - q²
Answer Link

Otras preguntas

Where do rock slides happen often
the glee club has 120 cupcakes to sell. they have decided to arrange the cupcakes in the shape of a rectangle, such that the rows have an even number of cupcake
A town has accumulated 4in of snow and the snow depth is increasing by 6in every hour a nearby town has accumulated 8in and the depth is increasing by 2in every
19 over 25 whats the percent
What are the products when ammonia (NH3) decomposes according to this equation? NH3
what is the negative scientific notation for  0.00584
Kecepatan sebuah benda dinyatakan dengan persamaan vx=8t+2 vy=12+2t, jika posisi awal pastikel (2,5), maka posisi benda pada saat t=4s adalah?
Erin buys a bag of peanut that weighs 3/4 of a pound later that week the bag is 2/3 full how much dose the bag of peanuts weigh now ? Show work !!
what is the decimal notation for  13 / 20
x^3+3x^2=25x+75 what is the solution set