erickarrevillaga erickarrevillaga
  • 21-03-2014
  • Mathematics
contestada

4a²+4a   x a²-5a
a²-25         8a

Respuesta :

deathstrike001
deathstrike001 deathstrike001
  • 21-03-2014
(4a^2 + 4a)/(a^2-25) x (a^2-5a)/8a
Factor the possible ones to be easier
[4a(a+1)]/[(a-5)(a+5)] x [a(a-5)/8a]
Cancel the a-5
[4a(a+1)]/[a+5)] x a/8a
cancel the 4a and 8a(8a becames 2)
[a+1]/[a+5] x a/2
now multiply
[a(a+1)]/[2(a+5)]<---- can be the answer or:
(a^2+a)/(2a+10)
Answer Link

Otras preguntas

What does the chloroplast do to produce food for the plant cell
Help asap no rocky .........
Please help it’s due in today!!!
find the area of a semi circle when the radius is 10cm. give the answer in term of pi
Group the terms with variables on one side of the equal sign, and simplify. 8t −15 = 32t
Wiesel makes reference to or alludes to what central event? Why does he use fragments to evoke the memory?
HELPPPPPPPPPPP 1. Shown are the final scores for Norm Duke in the past eight bowling tournaments. 299, 281, 285, 269, 280, 269, 286, 287 Part A: What is the mea
PAKI SAGUTAN PONeed ko po kasi​
im sorry, i need help, can someone explain it?
Sophia spent $32.16 on four sandwiches. If each sandwich cost the same amout, how much does one sandwich cost.