titby5vonnyjz
titby5vonnyjz titby5vonnyjz
  • 25-05-2016
  • Mathematics
contestada

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

Respuesta :

jcchen1229 jcchen1229
  • 25-05-2016
p^2-pq-q^2+pq=
p^2-q^2=
(p+q)(p-q)=
Answer Link
olemakpadu
olemakpadu olemakpadu
  • 25-05-2016
p(p - q) - q(q - p).    Multiply out.

p*p - p*q - q*q + q*p.         

Note because of the minus before the bracket, the minus inside the bracket changes to +

p² - pq -q² + pq

p² - q² + pq - pq

p² - q² + 0

p² - q²

= p² - q²

I hope this helps.
Answer Link

Otras preguntas

In designing for clients with large or broad shoulders, the stylist would create styles with: 1) Padded shoulders 2) Off-the-shoulder styles 3) Spaghetti straps
Which is equivalent to (8 - 6)⁵? a 24 b 32 c 64 d 86
Calculate the magnetic and electric energy densities at the surface of a 3.5 mm-diameter copper wire carrying a 15 A current. a) Dependent on wire length b) No
What do you call a text file containing Unix commands that are run just before the shell gives you a prompt?
Two types of firm?one big and one small
Describe New Federalism and its relationship to Dominant National Federalism?
What are the three steps you must take if a RAIC is damaged, unreachable, or expired, or shows any sign of tampering and cannot be used for access into the rest
homicide detectives technology 15 years ago
What question does Mach's principle try to address?
A bat is flying at velocity vb. The bat emits a sound wave with frequency f. The sound wave reflects from a stationary object, and the bat hears the reflected s