liltray321 liltray321
  • 01-05-2020
  • Mathematics
contestada

-3a(a? – 10a + 25) =

Respuesta :

kylannedwards
kylannedwards kylannedwards
  • 01-05-2020

a
2
+
10
a
+
25
Rewrite
25
25
as
5
2
5
2
.
a
2
+
10
a
+
5
2
a
2
+
10
a
+
5
2
Check the middle term by multiplying
2
a
b
2
a
b
and compare this result with the middle term in the original expression.
2
a
b
=
2
⋅
a
⋅
5
Answer Link
lexi5272 lexi5272
  • 01-05-2020

Answer:

[tex]-3a^{3} +30a^{2} -75a[/tex]

Step-by-step explanation:

I'm not sure about the question mark so i thought it might have been an [tex]a^{2}[/tex].

Answer Link

Otras preguntas

-4(w+2)+6w= Can someone ease help me with this
What is the definition of a foll?
Suppose that the average speed (vrms) of carbon dioxide molecules (molar mass 44.0 g/mol) in a flame is found to be 2.67 105 m/s. What temperature does this rep
A standard glass of wine will generally have an alcohol content of about __________. A. 5% B. 12% C. 20% D. 40%
Find the zero of polynomial 7x+5
Describe the parts of a neuron including the cell body, dendrites, axons, and terminals.
Which two statements are true?
A composite wall 8 m long and 4 m high consists of 4 cm of brick, 8 cm of concrete, 6 cm of fiberglass and 10 cm of corkboard. The inside temperature is 18°C, a
A piece of silver metal has a mass of 3.687 grams. If the density of silver is 10.5 g/cm, what is the volume of the silver?​
A car weighing 11.1 kN and traveling at 13.4 m/s without negative lift attempts to round an unbanked curve with a radius of 61.0 m. (a) What magnitude of the fr