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

What did African Americans gain during WWII?
(8.41 x 10 to the fourth) + (9.71 x 10 to the fourth)
170000 in scientific notation
Charlie runs at a speed of 3 yards per second. About how many miles per hour does Charlie run
What is the next number in the pattern 0.4, 1.6, 6.4, 25.6, ?
What is 4.27 repeating as a mixed number
What is the answer to this equation 4x-9=2x+5
The ratio of Isabella's money to Shane is 3:11 If she has $33, how much do they have together?
With a manual transmission, the speed of the vehicle determines
Name the subset(s) of real numbers to which each number belongs. Then order the numbers from least to greatest. The square root of 105, -4, 4/3